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The two-component polysulfide sealant is of curing type. It consists of two components, A and B. Component A is a white viscous polysulfide prepolymer, and component B is a black paste formed by mixing and dehydration of curing agent and additives. It has certain elasticity and cohesiveness after curing. Both can be used after mixing evenly in proportion. It is applicable to the connection of building materials such as civil construction industry, transportation industry, concrete prefabrication, and the filling and sealing of construction joints. Connection sealing of high-grade roads, bridges, aircraft runways, underground pipelines, joints, and water sealing of expansion joints and deformation joints of tunnels and buildings. After the sealant construction is completed, the joint shall be comprehensively checked, if any

2024/06/13 16:04:13

External rubber waterstop is an important building material, which is used to prevent moisture penetration and is widely used in construction, water conservancy and hydropower, tunnels, subways and other fields. In this paper, the technical standards of externally bonded rubber waterstop are discussed in detail. 1、 Definition and characteristics of external rubber waterstop External rubber waterstop is a waterproof material made of synthetic rubber with excellent tensile strength, tear strength and aging resistance. Its main characteristics include: it has excellent bonding performance to materials such as concrete and metal, can adapt to the deformation and vibration of buildings, and can effectively prevent water infiltration. 2、 External rubber

2024/06/13 15:58:02

Rubber waterstop is an efficient building sealing material, which is widely used in the fields of building waterproof, moisture-proof and sound insulation. Compared with other materials, Shenzhen rubber waterstop has the following advantages: 1. It has good corrosion resistance and can resist the erosion of various chemicals. 2. Excellent sealing performance, which can effectively prevent water and air penetration. 3. It has good strength and durability, and can keep the airtight performance intact for a long time. 4. It is easy to process and construct, and can be cut and spliced freely according to different requirements of buildings. Rubber waterstop is suitable for sealing, waterproofing, sound insulation and heat insulation of various buildings. Specific application field

2024/06/13 15:37:18

653 rubber waterstop is the place where the structure is destined to use it, because there is no hole in the middle of it. The round hole is to produce deformation when settlement occurs at the settlement joint of the building body. The round hole can play the role of elastic deformation, shock absorption and buffer. It can be seen that 653 rubber waterstop is not suitable for places with deformation requirements, such as settlement joints, expansion joints and seismic joints. The 653 rubber waterstop is suitable for construction joints, complete contraction joints, incomplete contraction joints, expansion joints, etc. of various concrete structures with small deformation. Therefore, 653 rubber waterstop has many uses. The maintenance of equipment is to ensure the decoration garbage

2024/06/07 15:09:15

The bridge expansion joint is located at the movable end of the bridge superstructure and the bridge deck fracture joint, which is mainly composed of the force transfer support system and the displacement control system. At present, bridge expansion joints are mainly divided into three categories according to materials: steel type expansion joints, plate type rubber expansion joints and TST elastoplastic expansion joints (basically not used at present). It can also be divided into five categories according to different structural forms and stress characteristics: 1. butt joint type. Butt type expansion joints can be divided into two types, namely, plug type and embedded type, according to their different structural forms and stress characteristics. The filled butt expansion joint is generally used in the conventional bridge engineering with the expansion amount less than 40mm

2024/06/04 09:38:37

1、 Product appearance and performance requirements The external rubber waterstop shall be flat in appearance, free of bubbles, cracks and uniform in color. In terms of performance, it shall have excellent wear resistance, aging relief, fatigue resistance and tensile strength to ensure long-term stable use in the project. In addition, weather resistance and corrosion resistance are also key performance requirements of externally bonded rubber waterstop to cope with various complex environmental conditions. 2、 Manufacturing materials and technical requirements The manufacturing materials of externally attached rubber waterstop shall be high-quality natural rubber, synthetic rubber or other special rubber to meet the requirements of high elasticity, high strength, weather resistance and corrosion resistance

2024/06/03 17:22:31

GB flexible filler is a kind of commonly used caulking material, which is often used in caulking construction of water conservancy and hydropower, concrete face dam, rockfill dam and other projects. It has excellent anti-seepage, corrosion resistance and oxygen resistance, and can effectively protect the caulking position from the erosion and damage of the external environment. This paper will introduce the performance characteristics and application methods of GB flexible packing in detail. 1、 Performance characteristics 1. Anti seepage performance GB flexible filler has good anti-seepage performance, which can effectively prevent water penetration and protect the caulking position from water erosion. Its anti-seepage performance mainly benefits from the compactness and cohesiveness of its polymer material itself, which can form a layer of compactness

2024/06/03 16:55:15

From the choice of materials, it can be divided into externally attached rubber waterstop, externally attached plastic waterstop, externally attached waterstop joint and medium buried water swelling waterstop. From the structural form, it can be divided into EB type waterstop and EP type waterstop. It is worth noting that since the external waterstop is set at the upstream of the concrete, it is often required to weld and seal with the waterproof board during construction. External rubber waterstop can be widely used in various types of concrete structures, such as water retaining dams, reservoirs, subways, culverts, tunnels and other underground projects. In some construction projects, due to the failure of continuous casting, or due to the foundation

2024/05/31 08:09:52

651 rubber waterstop structure features reasonable structure, elastic deformation, acid and alkali resistance, etc. The specific characteristics are as follows: 1. The structure of 651 rubber waterstop is reasonable: there is a round hole with a diameter of 25 mm or 30 mm in the middle of the waterstop, and there are three waterproof ribs with a height of 10 mm to 20 mm on both sides of the round hole. This structure can ensure that the concrete and rubber are firmly bonded to prevent water leakage. 2. Elastic deformation: 651 rubber waterstop uses the high elasticity of rubber to produce elastic deformation under various pressure loads, thus playing the role of firm sealing. 3. Acid and alkali resistance: When encountering weak acid and alkali corrosion, it can

2024/05/29 18:35:40

Burial part of medium buried rubber waterstop The embedding part of medium buried rubber waterstop is relatively flexible, and generally suitable parts can be selected for embedding according to the specific situation. The following are some common embedding parts: 1. Foundation gap Foundation gap is one of the most common gaps in buildings, and its depth is large, so it is generally necessary to use a relatively wide buried rubber waterstop for embedding. 2. Basement wall gap Basement is the part of the building where leakage problems are easy to occur, and its wall gap needs to be buried with medium buried rubber waterstop to effectively prevent groundwater infiltration. 3. Roof protection

2024/05/28 18:01:32