There are many kinds of tapes needed by hardware factories, but they are the most widely used and indispensable for many hardware factories, such as Mylar tape, golden finger tape, green tape, masking tape, pet tape, etc. Here are some brief introductions:
A layer of adhesive is coated on the surface of the tape to make the tape stick to objects. The earliest adhesive came from animals and plants. In the 19th century, vulcanized rubber was the main component of the adhesive; In modern times, various polymers are widely used. Details are as follows:
Tape refers to tape like films that can be pasted by certain methods, such as pressurization, heating, etc.
Composition of adhesive tape:
1. Plate: such as paper, cloth, film, etc
2. Support body: such as release paper, release film, etc
3. Adhesive: such as acrylic adhesive, plastic adhesive
Type of tape:
1. According to structure: such as single-layer tape, double-sided tape, etc
2. According to adhesive system: such as acrylic tape, plastic tape, silicone rubber tape, etc
3. By type: such as industrial tape, electronic device tape, medical tape, etc
Function classification of adhesive tape:
Continuous high-temperature tape, double-sided tape, insulating tape, special tape, pressure-sensitive tape, film cutting tape have different functions to meet different market demands.
According to the operating temperature:
Ultra low temperature tape, normal temperature tape, continuous high temperature tape.
Note name: the key points for physical property inspection of plate and support body are base weight, thickness, tensile compressive strength, elongation and release force; The key point of physical property test of adhesive lies in the solid components of viscosity.
Explanation and application of ten common tapes
In the packaging, electronic and electrical commodity production industry, there are various kinds of tapes. Each kind of tape has its own characteristics and functions when applied to different industries. Now let's take a look at the ten types of tapes used in the outer packaging industry.
Full transparent tape
The results show that: with transparent PET and BOPP film as raw materials, double side adhesive coating is made of modified acrylic board polyurethane resin, and white anti sticking paper treated with silicone material is used as isolation paper, which is thinner and more symmetrical than white cotton paper tape, has the characteristics of full transparency and moisture resistance, has a long adhesive force, and has excellent moisture resistance, steam resistance, UV shielding and temperature resistance.
Features: strong adhesion, two sides bonding, high tensile strength.
Application: It is used for shoes and leather industry, film power switch, electronic device, circuit board, etc.
BOPP boxing adhesive tape
The results showed that BOPP tape should be made of BOPP film as raw material and water-based pressure-sensitive adhesive as sizing agent, which has the characteristics of cost reduction and wide application.
Features: strong adhesion, large stretching range, good waterproof and weather resistance, wide coverage of temperature difference.
Application: It can be used for the packaging of various entrance and exit outer packaging products, with strong performance and certain protection.
Cloth base adhesive tape
It shows that the cloth base adhesive products should be treated with mesh cloth and PE resin, and then applied with oil soluble polyurethane resin to make single-sided adhesive, which has good initial adhesion, waterproof and moisture-proof properties, and is suitable for bonding and easy tearing of net weight items.
Features: strong adhesion, easy tearing, strong fatigue resistance, waterproof, and no deformation during cutting.
Main applications: It is suitable for the packaging of net weight products. It can be maintained with equipment for antifouling, waterproof, scratching, etc., and can be closely connected with the maintenance of blankets and network lines. It is widely used in industrial production, and can be used for the reinforcement of books and folder names, ground anti-skid, package printing, silk screen printing ink, hardware and electrical appliances, etc.
Foam adhesive tape
It shows that the foam tape is made of EVA or PE foam as raw material, coated with solution type (or hot melt type) polyurethane resin on one or both sides, and then processed with release film. It has the effect of sealing and shock absorption.
Features: excellent airtightness, anti deformation, flame retardant grade, moisture invasion, etc.
Main applications: The main products include electronic and electrical goods, mechanical parts, various small appliances, digital accessories, industrial instruments, notebooks and equipment, auto parts, audio and video equipment, small toys, cosmetics, etc.
Kraft paper bag adhesive tape
It shows that kraft paper bag adhesive tape is made of kraft paper as raw material, and is glued with polyurethane resin. It has high strength adhesive force, good weather resistance, waterproof, cold proof and easy to tear. It is the best environmental protection product.
Features: strong adhesive force, high tensile strength, can handle, not easy to deform, zero pollution, and can be recycled.
Application: paper receiving and boxing.
Masking tape
It shows that the masking adhesive tape product is a high-quality masking adhesive product, which uses crepe paper as material, single-layer sizing plastic adhesive or thermal organic solvent. It has the characteristics of tight bonding, easy removal, solvent resistance and waterproof, and is widely used for masking when surface coating.
Features: show natural colors, high quality consistency, strong adhesion, no residual glue after removal, recyclable, and smooth cutting of tape edges. When uncoiling, the paper will not pilling or crack.
Application: It is used for catering, sealing, color matching, pattern painting, and drying treatment of spraying.
PVC protective film adhesive tape
The results show that the PVC protective film is applied through a single layer of PVC film and board. Acrylic adhesive or acrylic adhesive has excellent adhesion performance, strong tension resistance, good cold resistance, strong aging resistance, single layer adhesion, no residual adhesive, good masking performance, abrasion resistance and solvent resistance.
Application: It can be used for coating various metal surfaces, such as "aluminum alloy profiles, stainless steel plates, laminated glass sandblasting process".
Welder adhesive tape
It shows that the welder adhesive products should be made of soft plastic polyethylene film, single layer sizing plastic polyurethane resin, with good insulation layer performance, high current resistance, heat resistance, and strong flame retardation. They are commonly used for the maintenance of the insulation layer of electrical equipment components and cables, and are widely used in electronic devices and the electrical industry.
Features: strong retracting elasticity, easy to tear, easy to roll, high current resistance, strong ignition hysteresis, good weather resistance.
Main use: suitable for binding cables, air conditioning pipelines, and widely used in the electrical and electronic industry insulation layer maintenance.
Copper mooring tape
It is indicated that the aluminum platinum adhesive tape should be applied with acrylic polyurethane resin on the surface of aluminum platinum, which should be stuck in a single layer and made of organic silicon material treatment isolation paper. It has good ultraviolet shielding, anti chemical, waterproof, fire safety performance, and is widely used in refrigeration and electronics related fields.
Features: It is silver white in light, resistant to ultraviolet light, fire safe, and can prevent corrosion of many chemicals. It is used outdoors and has good weather resistance.
Main applications: It can be used for thermal insulation and binding of the insulation layer of the hot and cold reflective surface, and can be used for equipment, automobile engine support, cable binding to prevent heat, water and dirt, and can be used for outdoor work.
PET adhesive tape on both sides
Features: excellent adhesion to the base material, high adhesive compressive strength for large surface plastic and metal material sheet, high temperature resistance, moisture resistance, and organic chemical resistance.
In recent years, the mobile phone market has undergone significant changes. In addition to the design trend changes, many new products and new processes have come out in turn. Nowadays, an intelligent machine should not only have an attractive appearance, but also be user-friendly, meeting different customer requirements, such as the requirements of the operation control design scheme.
Nowadays, the appearance design of smart phones is getting thinner and thinner, so the raw materials of various parts and components used in mobile phones are also getting thinner and thinner. In order to meet the requirements and expectations of these regulations and the rising market, people are constantly exploring a new application probability to bond different smart phone components. Therefore, apart from strict adhesive industry solutions, the tape on the mobile phone also needs to meet different versatility, such as conductivity, masking, waterproof, seismic, etc.
In the field of smart phones, tape is mainly used everywhere. Today, let's talk about tape solutions in the field of smart phones.
1 Tape application in smart machine:
Structural bonding
Screen fixation
Electronic optical transparent pasting
Paste film and graphite sheet
Components are fixed
Sealing and caching
Bonding and separation
Shielding and grounding devices, etc
Structural bonding
Intelligent machines are becoming more and more ultra-thin and precise. The complexity design points reduce the total bonding area, which not only requires that the tape has excellent bonding force and seismic performance, but also has good durability and aging resistance for various surface layers. To improve the reliability of equipment.
Application examples of structural bonding:
FPC hard bottom
Fixed architecture
Casing installation
Fixed magnesium support frame, etc
Frequently used tape:
No cloth proof tape PET tape
Screen fixation
Many applications of screen fixing have set high standards and strict requirements for adhesive tape. Because of frequent use, electronic products with LCD or OLED displays must have excellent fall resistance and impact resistance at any time. In addition, it also needs to have some other important functions, such as waterproof, light leak proof, skin resistant chemicals, such as sweat, grease lotion, etc.
Examples of screen fixation solutions:
Window fixed
Fixed architecture
The touch panel is fixed
The display is fixed
The rear cover plate is fixed
Product features:
High seismic performance
High impact resistance and seismic performance under the premise of falling
Chemical resistance, such as sebaceous glands
Light blocking characteristics
Frequently used tape:
PET film tape, non cloth proof tape, ultra-thin non cloth proof tape, PE foam tape
Electronic optical transparent pasting
Because the display and touch panel contain many different design schemes, the optical transparent pasting of the display and touch panel requires relatively high transparency, low light transmittance and anti ultraviolet tape products.
Application examples of electronic optical transparent pasting:
Paste the film to a rigid or elastic material
Paste two pieces of rigid materials
Bonding the touch panel to the cover glass
Bonding the monitor to the cover glass or touch panel
Features of electronic optical transparent pasting products:
High temperature resistance
Moisture resistance
Acid free
Anti whitening phenomenon
Low light transmittance
ultraviolet-proof
High adhesion
High transmittance
Good casting performance
Frequently used tape:
OCA electronic optical tape
Paste film and graphite sheet
For the adhesion of graphite flakes, the thin fixed adhesive tape must be used to improve the wettability and achieve the best thermal management effect. There are two forms in use: permanent and removable.
Product features:
Paste without bubbles
Excellent original adhesion
Repairable and erasable
Firmly bonding polyester film or aluminum platinum, graphite sheet
Frequently used tape:
PET film tape, non cloth proof tape, ultra-thin non cloth proof tape, polyacrylonitrile tape, light proof tape
Components are fixed
Tape is used to fix different components during system assembly, which must meet different requirements. Tape solutions for different components that need balanced adhesive force, wettability, gap supplement and aging resistance, which can be removed, repaired, anti bounce, light blocking, heat transfer, conductivity and other characteristics.
Main purposes of stationary components:
Camera fixed
The wireless antenna is fixed
Registered trademark bonding
PCB fixed
FPC fixed
The sealing ring is fixed
Diamond yarn pasting
The loudspeaker is fixed
LED backlight is fixed
The camera lens is fixed
Product features:
Excellent release resistance
High fall resistance, high seismic performance
Reliable and relatively stable weather resistance
Excellent final bonding force
Excellent adhesion around the edge
Can be repaired or removed
Frequently used tape:
PET film tape, non cloth proof tape, ultra-thin non cloth proof tape
Sealing and caching
The sealing tape can block wet, cold, dust and other particles, and also provide buffer for the display and sealing ring. Sealing and buffer application specify precise die cutting and precise positioning during assembly. According to the different needs of actual parts, different types of adhesive tape (differential adhesive tape) and removable adhesive tape can be bonded on both sides, which helps to reduce falling during production and make it easier to recycle.
Examples of sealing and caching applications:
OLED display cache
Sealing ring sealing and buffer
Product features:
Reliable adhesion to foam
High moisture resistance
Repairable and removable
The actual effect of film cutting is excellent
Excellent tightness
Frequently used tape:
PET film tape, non cloth proof tape, ultra-thin non cloth proof tape, PU foam tape
Bonding and separation
Because the installation of smart machines will have a certain probability of heavy machinery, Rashin tape can be easily removed without leaving glue marks. If parts need to be replaced during assembly, this can save time and cost. Although the adhesive tape can be easily removed, this series of products can be used for long-term fixation, giving excellent adhesion.
Application case of bonding and separation:
The rechargeable battery is fixed
The camera lens is fixed
Fixed parts
Manufacturing assistance
Temporary fixation
Frequently used tape:
PU film tape
Shielding and grounding device
With the improvement of compact electronic components of smart phones, the probability of short circuit failure and noise caused by various rechargeable battery impacts (EMI) in a narrow space will also increase. All directions of grounding devices and conductive tape must be provided with suggestions.
Application examples of shielding and grounding devices:
FPC bonding/FPC grounding device
PCB bonding/PCB grounding device
The display EMI is shielded
The wireless antenna is fixed
Metal material to metal grounding device
Shielding of metal material from plastic shell
Product features:
Excellent conductivity in X, Y and Z directions
Durable and stable bonding
High adhesion
High adaptability
Good EMI shielding performance
Frequently used tape:
Conductive foam tape, conductive non cloth proof tape, conductive single-layer frosted black fabric tape, conductive textile tape, conductive textile removable tape
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