Initial adhesive force test of tape test

2024-01-24 10:11
one hundred and thirty-two

01

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What is the initial adhesion of the tape?


The initial adhesion of adhesive tape, also known as quick stick or initial adhesion, is not a simple performance, but a comprehensive performance of the chemical and physical properties of the surface of the pressure-sensitive adhesive layer when it contacts the object to be adhered.


The user's perception of the initial adhesion of the tape originates from the stickiness felt by gently touching the tape surface for a short time and quickly pulling it apart with his fingers, which is also called hand stickiness.


The difficulty, speed and strength of adhesive surface can be easily and quickly perceived through direct contact of fingers; But this kind of judgment is too subjective, and can not be a good quantitative judgment of the initial viscosity performance.

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02

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Test method of initial adhesion force: quick stripping method


The loop tack test method of adhesive tape (GB No.: GBT-31125-2014) is a force that can quickly peel and separate the adhesive material after a very slight pressure and a very short time of contact.


Test method: use 25 mm wide and 300 mm long tape, bend it into a circular tape ring with the adhesive surface outward, and hang it on the Tensile machine When the adhesive surface is in contact with the surface of the stainless steel plate placed horizontally below at a speed of 300 mm/min, the adhesive is formed by its own gravity. After the adhesive area reaches 25 X 25 mm ^ 2, stop falling, stay for 30 seconds, and then the tension machine clamp rises at 300 mm/min, record the maximum force required for stripping, in N.


The advantages of this test method are that it is sticky to the touch, no special equipment, and simple to operate; The disadvantage is that the softness and thickness of the tape have a great impact on the test results.

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03

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Factors affecting initial adhesion performance


There are many factors affecting the initial adhesion performance during the test, including test conditions Adherent And the surface tension of the adhesive layer, the roughness of the surface of the substrate and the adherend Pressure sensitive adhesive Its own nature, etc.


1) Test conditions


The contact pressure has a great influence on the test results. Increasing the contact pressure is conducive to the flow of pressure sensitive adhesive; For the tape with smooth substrate, the initial adhesion force increases rapidly with the increase of contact pressure; For tapes with rough substrates, such as cloth, the initial adhesion force increases slowly with the increase of contact pressure.


The longer the contact time, the more conducive to wetting, and the higher the initial adhesion.


The higher the separation speed, the higher the initial viscosity.


For the tape with smooth surface at the test temperature, the touch bonding method is greatly affected by the temperature, 30~40C, and the initial bonding force is the largest. The cohesive strength of the adhesive higher than 50C decreases, and the initial bonding force also decreases. For the tape with rough surface, the initial adhesion does not change significantly with temperature.


2) Surface tension of adherend and adhesive


3) Properties of pressure sensitive adhesive


4) Surface roughness of substrate and adherend

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Initial adhesive force test of tape test

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02 Test method for initial adhesion force: rapid peeling method, loop tack test method (national standard number: GBT-31125-2014), is the force for rapid peeling and separation of adhesive materials after very slight pressure and very short time contact. 03 Factors affecting the initial adhesion performance There are many factors affecting the initial adhesion performance during the test, including the test conditions, the surface tension of the adherend and adhesive layer, the surface roughness of the substrate and the adherend, and the properties of the pressure sensitive adhesive itself.
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Solution of VHB tape in automotive and electronic industries

2023-12-23
The application of VHB adhesive tape 41 The solution of automobile application is used for the assembly and decoration of various automobiles, business vehicles, business travel vehicles, engineering machinery, etc., to meet the high requirements of the automobile industry, which can securely fix the interior and exterior trims of automobiles to the body, while providing reliable sealing and shock absorption. The unique elastomer structure, which can absorb energy and dissipate stress, makes VHB tape have excellent seismic/waterproof and drop resistance performance, so it is widely used in the electronic market: window bonding, touch screen bonding, battery nameplate bonding, and other high-strength bonding. With the popularity of large screen mobile phones, tablets and wearable electronic devices, the screen frame is becoming narrower and narrower.
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The most comprehensive classification of adhesives in history

2023-12-22
4. Hot melt adhesive can be divided into EVA hot melt adhesive, acrylic resin hot melt adhesive, polyester hot melt adhesive, isoprene rubber hot melt adhesive, etc. according to different raw materials. At this stage, the average annual import of generated adhesives is nearly 200000 tons, including hot-melt adhesives, silicone material sealing adhesives, polyacrylic adhesives, polyurethane material adhesives, automotive polyethylene plastic adhesives, etc.
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How to judge the quality of aluminum tape

2023-12-22
Third, judge the quality from the production process of the aluminum tape: high-quality aluminum tape is evenly dispensed, neatly cut, burr free, and of good quality. Second, to judge the quality of aluminum tape, we can also judge from the adhesive property of aluminum tape:. We can judge from the smell of adhesive, the color of adhesive, and the stickiness of touch adhesive. As soon as the aluminum tape with poor quality unlocks the adhesive base, a choking smell comes out. Then touch the adhesive base, and the adhesive immediately sticks to the hand. Sticky adhesive cloth with high performance price ratio will not be like that.
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In Russia, there is nothing that tape can't solve!

2023-12-22
One tape solves all your troubles. Yinah has to say that adhesive tape is really applied to the extreme in Russia. From sandals in summer, clothes for discos, broken doors and defective cars, there is nothing that can not be solved by adhesive tape in Russia. Egret Electric, a one-stop service provider of adhesive tape in the whole industry chain, has specialized in researching, developing and producing aluminum tape for 26 years.
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Application of adhesive tape in lithium battery manufacturing

2023-12-22
Research status of lithium battery adhesive tape Lithium battery adhesive tape is a kind of pressure-sensitive adhesive tape with special functional characteristics. It has certain initial adhesion, viscosity retention, temperature resistance and chemical corrosion resistance, and can be used repeatedly without pollution. After stripping, it will not pollute the surface of the adhesive. Different substrates endow lithium battery adhesive tape with different characteristics. Guo Peijun and others made BOPP and PET substrate adhesive tape respectively by adding proper amount of crosslinking agent and pigment into the same acrylate adhesive. The products with BOPP film as the substrate have poor temperature resistance and electrolyte resistance.
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Selection and function of electrical tape

2023-12-21
The electrical tape is made of PVC film as raw material and coated with vulcanized rubber polyurethane resin. It has good insulation, compression resistance, flame retardancy, weather resistance and other characteristics. It is suitable for wire connection, electrical equipment insulation protection and other characteristics. It is suitable for wire winding, transformer, machine, power capacitor, regulated power supply and other motors The insulation and fixation of electronic parts are not used.
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Manufacturing process flow of cloth base tape

2023-12-21
The raw materials often needed include plastic films, adhesives, fillers, and relaxation raw materials. After dispensing, the plastic film will contact another layer of raw materials to prevent adhesion. 3、 Coating solution Coating treatment is an important step in the manufacturing process, which ensures the high quality and durability of the tape. Only in this way can we truly produce high-quality and high-performance cloth based adhesive tape products.
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Magic high-performance masking tape changes your life

2023-12-21
Color masking paper PET composite adhesive tape and paper adhesive tape masking paper adhesive tape are easy to tear and easy to operate, and can be used even without scissors or cutter heads after application. 3、 Industrial production painting: select the masking tape suitable for yourself according to the needs, and stick it tightly to the edge or wire frame that must be painted. In a word, the application of textured paper in industrial production paint spraying can improve the efficiency and quality of paint spraying, while maintaining areas and equipment that do not need paint spraying.
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Pinlu new material class: if you understand these parameters, you won't just ask whether the tape is sticky or not

2023-12-20
Sticking force Sticking force test of adhesive tape refers to sticking the adhesive tape on the test panel, hanging a certain weight under the test panel, and determining the adhesive force of adhesive tape according to the displacement length or falling off result of adhesive tape after a certain time. This series of operations can be measured by a tape adhesion tester. Tensile strength and elongation tensile strength (also called tensile strength) tests the force required to break the tape.
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Aluminum tape is more and more used in packaging industry and household appliances industry. What are its advantages and outstanding characteristics

2023-12-20
Aluminum tape is a silver tape, which is made of a very thick material and treated with organic silicon. The surface is coated with acrylic pressure sensitive adhesive, which is durable and firm, and the internal background color is black. Metal aluminum tape shall be used for joint sticking of all aluminum foil composite materials, sealing of insulation nail puncture and repair of damaged parts.
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Classification and production of adhesive tape

2023-12-19
The structure of adhesive tape is simple, but the composition is complex. The adhesive tape can be distinguished according to the base material: PET tape, BOPP tape, MOPP tape, cloth base tape, masking tape, warning tape, aluminum tape, mesh cloth tape, double-sided tape, etc. As long as there is a suitable base material with ductility and curvature, it can become adhesive tape, Even now, special tape has been made of composite materials or coatings. According to the nature of glue, tape can be divided into: water-based adhesive tape, oily adhesive tape, rubber tape, thermosensitive adhesive tape, pressure-sensitive adhesive tape, etc. According to the industry, tape can be divided into: electrical tape, new energy battery, pack, blue film tape, etc
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Pinlu New Material Expands the Science and Technology Field: Create the Application of Lithium Battery Aluminum Foil Tape

2023-12-19
According to GGII statistics, in the first half of 2021, the global sales volume of new energy vehicles will reach 22.52 million, an increase of 151%, and the installed capacity of power batteries will reach about 10049GWh, an increase of 141%, indicating a high growth of new energy vehicle driving power batteries. In 2020, the global sales volume of new energy vehicles will be 33.31 million, with a year-on-year growth of 5072%, and the installed capacity of power batteries will be 1905 GWh, with a year-on-year growth of 3695%.
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How to test the corrosion resistance of aluminum tape?

2023-12-19
Aluminum tape should be familiar to everyone. Anticorrosion, heat insulation, heat transfer, conductivity, cooling, light returning, corrosion resistance, aging resistance, etc. are all its high quality places. When aluminum tape is used for pipeline binding, it will not be corroded after being placed underground for decades. How can we detect the corrosion of aluminum tape? Third, feel the softness of the aluminum tape with your hands. If you feel that the aluminum tape is too hard, it is not conducive to project construction. If it is too soft and the tensile strength is insufficient, it is better to moderate it.
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Study on winding method of aluminum foil butyl tape

2023-12-18
The butyl tape of composite aluminum foil is applicable to the waterproof sealing of various civil engineering flat roofs, color steel, steel structures, waterproof coiled materials, PC machines, etc. in the sunlight. Aluminum foil butyl tape has a very good reflective surface UV effect, which can play the role of anti-corrosion insulation. Why are there pleats when applying tape for engineering construction?
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Difference between glass fiber aluminum tape and aluminum tape

2023-12-18
Processing technology component: glass fiber aluminum foil tape. It adopts unique and excellent composite technology and special adhesive compound to produce high-density plastic film. It is compounded with aluminum foil, with smooth surface, high light reflection strength, strong longitudinal and transverse compressive strength, stuffy heat, water barrier and good sealing performance. 03 Main characteristics of glass fiber aluminum foil tape: 1. The aluminum platinum surface is smooth and flat, with high light reflection strength, high longitudinal and transverse compressive strength, stuffy, water resisting layer, good sealing performance, and strong stone resistance;
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How to improve the electrostatic problem during the use of aluminum tape

2023-12-16
Answer, It is beneficial to the application of aluminum tape.
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Advantages of aluminum tape in electrical appliances and new energy industry

2023-12-16
Aluminum foil tape is mainly made of aluminum platinum as raw material, coated with acrylic adhesive, with high tensile strength, excellent adhesion, oxidation resistance, corrosion resistance and flame retardancy. It is mainly used in the areas where magnetic shielding materials are just needed for various electronic equipment such as PDA, PDP, LCD display, notebook, printer, etc., or in the outer envelope of steam hoses to avoid the loss of ambient temperature.
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Production process and function of aluminum tape

2023-12-15
Use of aluminum tape: 1. Aluminum tape is an industrial tape, which is a new type of external corrosion resistant maintenance raw material with high self-adhesive UV resistance. Then choose different plastic materials and add some special additives. 2. After passing through the film blowing machine, the plastic film is lifted up to the coating machine to apply super glue. This process mainly uses glue according to the viscosity required by the aluminum tape and the application field. After the glue is applied, the aluminum tape will be used
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New material for outdoor sports: application of cloth base tape

2023-12-14
We usually put a ring of cloth base tape in the warehouse for backup. It is likely that it will be used when, especially in emergency conditions. Maybe it should be the most free raw material. If the sole is about to crack, you can use adhesive tape to cover the left and right decoration of the whole shoe twice, so that you can walk again. Even if the adhesive tape is worn off, the residual adhesive tape will continue to stick to the shoe, allowing the sole to adhere to the shoe again and go on walking.
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Water based thermosensitive adhesive, primer material

2023-12-14
Good adhesion AQUATEXMC-3800 Good adhesion to PET AQUATEXEC-3500 Good adhesion to PP, PET, Al AQUATEXAC-3100 Good adhesion to Al T-PP: Pretreatment of PP, Al) ▪ Similar to McCorman (water-based ink) ▪ The film treated with AQUATEX can be rolled ▪ Can be mixed with other cationic emulsions ▪ It is used to pretreat the plastic film to improve the printability drying condition. The drying temperature should be 50-120 ℃.
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How to deal with the rapid repair of aircraft structure damage with aluminum tape

2023-12-14
Generally, the basis used for metal tape mainly includes manufacturer's guidelines such as SRM, NSRM, AMM, CMM, or technical data of aircraft manufacturers such as TR, SR, CV, TV, DOA_ACL, etc. For example, in the Airbus Construction and Maintenance Guide (SRM), it is specified that the edge of the tape should at least exceed the damaged edge by 25mm. If the width of the tape is insufficient, another layer of tape can be pasted to increase the coverage area, and the top layer of tape should cover the next layer of tape by at least 12mm, as shown in Figure 2 below.
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Usage and precautions of masking tape

2023-12-13
The use of masking paper tape 1. It can be used for indoor and outdoor decoration at the present stage. Many decoration sites install various doors and cabinets at home, and when they display in the window, masking paper tape is needed to carry out edge bonding at the edges of these furniture. In addition, masking paper tape is also used at the joints in the middle of tiles. 3. When using masking tape, be careful to have a certain amount of support to prevent the masking tape from winding.
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Egret Group | Nine usages of paper tape, the last one you can't imagine

2023-12-13
Paper tape or masking tape, masking tape and masking tape, which have been used for 30 years in my home. The instructions that can't be placed anywhere are simply glued together with the articles: some instructions have no need to be kept on file, but they want to be kept for reference at the beginning.
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PET straw green tape is made of polyester film as the base material and baked with silicone pressure-sensitive adhesive. It has high temperature resistance (200 ℃), electrical insulation, radiation resistance and solvent resistance

2023-12-13
Index name Test data Base material (Backing) 0.028mm polyester film adhesive silicone color grass green, thickness mm 0.07 length 33M tensile strength (ensileStrength N/25mm) ≥ 120 elongation% ≥ 70 breakdown strength ≥ 150
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Characteristics and Application of Bailu Group PET High Temperature Tape

2023-12-13
The tape is divided into different shapes and main uses, and pet high-temperature tape is one of them. To put it bluntly, pet high temperature tape is a kind of high temperature resistant tape, which can maintain reliability under high temperature conditions. Pet high temperature tape has excellent high temperature resistance, high adhesion, no glue mark after tearing off and solvent resistance.
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PE frozen tape, continuous low temperature resistance

2023-12-12
PE frozen tape PE film PE frozen tape Product description: EGTPE02-15OWE series is made of polyethylene film as the base material and coated with high viscosity pressure sensitive adhesive on the front. Main use: It can be used to stick cracked glass, greenhouse or gap in the outdoor environment below - 25 ℃ to prevent cold air from entering;
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Compulsory national standard Safety Code for Household and Similar Electrical Appliances for Public Comments

2023-12-12
The product quality and life cycle safety regulations are clearly put forward as the general safety standards. The main contents of the electrical safety specifications and standards include the safety terms, definitions, requirements and inspection methods of household and similar electrical appliances. The specific contents are integrated and the requirements in the original GB4706 series product standards, the original GB19865, and the original GB31187 are summarized, and the provisions on the impact of the trial use on the product quality are given in terms of the current arrangements for the preparation and revision of the international standard IEC60335.
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Will the refrigerator smell if the tape is missed? Pinlu tape guarantees the quality of refrigerator!

2023-12-12
In fact, the reason is very simple. When a refrigerator is transported from a manufacturing factory to a store, warehouse or consumer's home, it will shake and vibrate along the way. If there is no certain fixing measures, the refrigerator door can easily be shaken open during transportation. In addition, the movable parts in the refrigerator, such as drawers, brackets, etc., will also be thrown out directly when the refrigerator door is opened, so that the refrigerator will be bruised when it reaches the destination.
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The application of adhesive tape in the refrigerator and freezer industry. Explain the details of adhesive tape used in various parts in detail!

2023-12-12
Refrigerator and freezer tapes are mainly used to fix nameplates and small components. The vacuum insulation plate is fixed. Tape is widely used in refrigerators and freezers. With the development of the domestic national economy, more and more electrical products have entered the "people's home", and refrigerators and freezers seem to be the standard equipment for every family.
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What are the characteristics of egret electrical aluminum tape

2023-12-11
2. The concealed type caters to the actual effect. The Egret appliance can be assembled with adhesive tape to keep the surface clean and tidy, giving the designer a broader operating space. 5. The shock absorption and sound absorption effect can be achieved by the shock absorption polymer polymerization of egret electrical glue. 6. Industrial steel pipe fastener products with super adhesive force can meet the requirements of repeatable velcro and high strength viscosity. Egret electrical adhesive can be quickly used on a variety of different surfaces according to fastener and snap fastener products, and there are different levels of tensile strength for selection.
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The hidden usage of these aluminum tape should be stored quickly

2023-12-09
In addition to the above main uses, aluminum tape can also play a certain role as a magnetic shielding material, but this main use is mainly used in the electronic product industry. " It is not difficult to see the cold level of the Little Cold Solar Term. The ultra-low temperature has brought many adverse effects on daily life, such as increased travel inconvenience in rainy and snowy weather, and the damage of water pipes to drinking water.
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TDS -- Backless aluminum tape

2023-12-09
Composition and characteristics: 1. Film covered aluminum tape has high tensile strength and peel strength, high temperature resistance and anti-aging. New TDSTDS foil free aluminum tape Product description: EGTAL05-35WSR series aluminum foil adopts the process of double side covering PET film, thus eliminating the use of backing paper.
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This article will show you the production process of aluminum foil!

2023-12-09
At present, there are two common production and processing processes in the industry: (1) casting and hot rolling; This method realizes independent innovation in the industrial chain from the aspects of composition improvement, smelting process, continuous casting rolling process, cold rolling/foil rolling process improvement and performance test, and quality precision control technology. Casting rolling method is used to replace hot rolling method to produce aluminum foil/metal sheet for power lithium battery, which reduces the production cost of aluminum foil/metal sheet manufacturing enterprises for power lithium battery, It has improved the competitiveness and promoted the rapid development of China's rechargeable battery aluminum processing industry to a certain extent.
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Grasp the four key points and easily select high-quality aluminum tape

2023-12-07
Aluminum tape, in fact, we can see small objects everywhere in our daily life. Its universal use and important characteristics make us have to pay attention to its quality. Before choosing the aluminum tape, we should know how to identify its advantages and disadvantages, which also ensures our life and work. The following four points are the key to choose high-quality aluminum tape. First, appearance is the first step to distinguish the quality of aluminum tape. High quality aluminum tape has neat appearance and no damage, and there is no omission between the tape layers. It is mainly because the exquisite production process and the stability of various materials ensure the flatness and tightness of the tape. Secondly, the average of glue is
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Fire and heat insulation, waterproof and moisture-proof, this tape is too practical!

2023-12-06
It seems that aluminum tape is not as common as box sealing glue in daily life, but it can be found everywhere, such as the sealing of the range hood pipe, the waterproof and waterproof sealing of the water pipe, the explosion-proof safety sealing of the kitchen stove, and the anti pollution and waterproof sealing of the kitchen sink. Aluminum tape is mainly composed of aluminum foil and pressure-sensitive adhesive. It has the characteristics of strong adhesion, wall insulation and high temperature resistance, and is widely used. Lusi Group's aluminum tape - fire safety, heat insulation, waterproof, waterproof, and firm adhesion! Lusi Group's aluminum tape selects aluminum foil as the base material, which is smooth and clean, and is not easy to use
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How to use aluminum tape What are the precautions for using aluminum tape?

2023-12-06
How to use aluminum tape? Aluminum tape is a kind of common tape in industrial production. It has good heat resistance, waterproof performance, corrosion resistance, etc., and can meet many requirements. Aluminum tape cooperates with all aluminum foil composite raw materials to paste at the joints, and the sealing of the external wall insulation nail puncture and the restoration of the damaged parts are refrigerators Purchase of important raw materials by refrigerator manufacturers. How to use aluminum tape? The use method of aluminum tape is similar to other tapes. In use, first clean the surface of the pasted material, keep it clean, and then tear off the aluminum bonded tape to stick the head of the tape to be pasted
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Introduction to the types of aluminum tape and its application characteristics

2023-12-05
Aluminum tape is a kind of tape widely used in various fields. Its types and uses are mainly classified according to the types and functions of its backing paper. The following are several common types of aluminum tape and their applications: paperless aluminum tape: This type of aluminum tape is mainly used for thermal insulation in household and commercial electrical appliances, as well as for pipe sealing, and reflective surface construction in electric heating floor heating systems. It is characterized by good thermal insulation and electromagnetic shielding, while the price is relatively low. Aluminum foil tape with backing paper: aluminum foil tape with backing paper is similar to tape without backing paper, only a layer of backing paper is added in the middle. This
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Types and uses of glue, common glue and what kinds are there?

2023-12-05
The glue on the market is called "adhesive" in the industrial field. There are many kinds of glue with different performance. Many consumers may be dazzled and don't know how to start. Today, let me help you to figure out the types and uses of various glues, so that you can quickly understand the glue and buy without stepping on the pit. Instant drying adhesive: the main component of the most commonly used instant drying adhesive is cyanoacrylate adhesive, which has good bonding ability to most materials, is most suitable for emergency repair and assembly positioning, and is widely used in electronic components, home appliances and other aspects. Its curing speed is very fast. It can be completed in a few seconds. It is a common choice for families and enterprises
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Industry knowledge of acrylic foam tape in various industrial fields

2022-09-07
Acrylic foam tape, also known as acrylic foam tape. Because different materials have different elongation when the temperature changes. During the life cycle of components, structural bonding needs to bear the effects of static and dynamic forces, and the generated stress needs to be dispersed. Acrylic foam tape can be used as this bonding substrate to achieve simple permanent structural fixation between different materials without causing any damage to the materials themselves: this is because it ensures the stable bonding between various materials, Even if it is applied between bonding panels with different elongation, it can still withstand extreme temperature changes to achieve stable bonding. 1、 Propylene
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Production process of protective film and tape and adhesive used for equipment

2022-09-06
The production process of protective film and the equipment used vary depending on the type of adhesive and the type of substrate, generally including: glue making, coating, drying, coiling, slitting, packaging and other processes. [Egret Electrical Appliances] The so-called coating process of protective film and adhesive refers to the process in which a specially designed coating machine evenly spreads adhesive on the substrate. In order to produce high-quality protective film products, the most important thing is to design the most appropriate coating process and corresponding equipment in addition to selecting the appropriate adhesive, base material, primer and spacer materials. The design principle is not only to ensure the thickness of the adhesive layer and the protective film
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Introduction to bonding process of adhesive [Egret Electrical Appliances]

2022-08-23
Bonding process includes preparation before bonding, joint design, adhesive preparation, coating, closing, curing and quality inspection. Egret Electric Appliances Love Purchase I. Preparation before adhesive bonding The size of the bonding strength of the bonded material mainly depends on the mechanical connection between the adhesive and the bonded material, and the physical adsorption between molecules, It is the result of the comprehensive action of the factors such as mutual diffusion and the formation of chemical bonds. The surface of the bonded object
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Egret tape: [Materials] Learn about the pyramid of polymer materials -- the definition, classification and application of polyimide (PI)

2022-08-17
1、 Introduction to polyimide [Egret tape] Polyimide (PI) is an aromatic heterocyclic polymer compound with imide chain link in molecular structure. It is one of the best heat resistant varieties in engineering plastics at present, and is widely used in aviation, aerospace, microelectronics, nano, liquid crystal, laser and other fields. Recently, the research, development and utilization of PI have been listed as one of the development priorities of new chemical materials in the 21st century. Because of its outstanding characteristics in performance and synthesis, PI has great application prospects, whether as a structural material or as a functional material. PI is known as the top material of polymer material pyramid
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