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Rubber material sealing strip classification

by:ORK      2022-11-06
The classification of rubber material sealing strip is generally EPDM material. Excellent comprehensive performance, outstanding ozone resistance, good aging resistance, good heat resistance. Low temperature performance, excellent chemical resistance, a variety of polar solutes, low density. The disadvantage is that the general mineral oil and lubricating oil have a large amount of expansion and are generally dark products. Application temperature category -60~+150℃. Because of its wide application range and outstanding comprehensive ability, it has won the affirmation of domestic and foreign industry enterprises. 2. Silicone sealing strip has outstanding height and low temperature resistance, ozone resistance and aging resistance; excellent hydrophobicity and moderate air permeability; unparalleled insulation performance; it can meet the hygienic level of food hygiene standards, and can meet the requirements of various colors . The disadvantage is that the rubber material has the worst impact toughness and is not resistant to oil. Application temperature category -100~+300℃. It can be used in high temperature, severe cold, ultraviolet radiation areas and high-rise buildings. 3. Neoprene sealing strip (CR) Compared with other special rubbers, the individual performance is poor, but the overall performance is well balanced. Has good aging resistance. Ozone resistance characteristics. Heat aging resistance, oil resistance, solvent resistance, good chemical resistance, excellent flame resistance and good adhesion. Poor storage stability, hardening during storage, and poor cold resistance. high density. Usually black products. For oil resistance. Heat resistance. Environmental corrosion resistance regulations. Application temperature category -30~+120℃. 4. Nitrile rubber seals sealing strip The main feature is oil resistance, solvent resistance, but not ketone resistance. Ester and chlorinated hydrocarbons have good elasticity and mechanical properties. The disadvantage is that it is easy to age and crack in the process of ozone and oxidation, and has poor low temperature resistance. 5. The thermoplastic elastomer sealing strip has strong elasticity and excellent wear resistance, good oil resistance, wide adjustable hardness category (Shore A hardness of 65~80 degrees), mechanical properties (tensile strength, tensile strength Good elongation, good cold resistance, chemical staggered corrosion resistance, high raw material price. This is a recyclable material. Application temperature category -60~+80 ℃. Suitable for earthquake-prone areas. Areas with obvious vibration, such as around railways Or factories with high-power cranes, and obvious ultraviolet radiation areas. 6. Thermoplastic vulcanizate (TPV) sealant strip It has the flexibility and elasticity of rubber seals, and can be produced by plastic processing. Waste can be recycled. And Reuse. It is a material with a wide range of properties, with temperature resistance. Good cold resistance, low density, good oil resistance. Solubility resistance is similar to neoprene, and pressure permanent deformation and wear resistance are not good. Application temperature Category -40~+150℃. Can be used in severe cold. High-rise buildings. 7. Plasticized polyvinyl chloride (PPVC) sealing tape material is cheap and easy to obtain, corrosion resistance, wear resistance, corrosion resistance and various chemicals, combustion resistance , high impact toughness; the disadvantage is that the adhesive is easy to transfer, hard and brittle, loses elasticity with the increase of time, not resistant to aging, poor aging resistance and low temperature performance. Generally speaking, it is a dark product. Applicable 8. Surface coating material Polyurethane is coated on the surface of the sealing strip. Silicone, PTFE and others have replaced the traditional surface flocking process. After layering, the sealing strip has good wear resistance and smoothness, especially the sealing strip after the silicone surface coating, the surface friction coefficient is small, which is conducive to the rolling of doors and windows. It is suitable for doors and windows containing moving doors and windows. It is traditional siliconized Alternative to wool.
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