Hongfeng vehicle parts co., LTD. Analysis of rubber seal type, structure and main material:

I. type of sealing strip:

There are various types of seals, commonly used are as follows, such as: door seal strip, glass guide groove seal strip, door outside seal strip, radiator seal strip, engine cover seal strip, trunk cover seal strip, gutter seal strip, interior decoration seal strip.

Ii. Sealing strip structure:

A. Pure rubber seal strip (including sponge foam seal strip)

B. Compound rubber seal strip (including compound of sponge foam and dense rubber);

C. Compound seal strip between glue and metal;

D. Surface treatment of flocking or mounting surface seal strip;

E. Rubber and sponge foam rubber, metal multi-seal strip.

3. Main material of sealing strip:

A. Long branched chain ethylene propylene diene rubber is generally adopted;

B. Thermoplastic diethylene-propylene elastomer;

C, low friction layer material (low friction thermoplastic material and thermoplastic epdm are extruded together to compound it on the surface of the sealing strip).

Performance requirements of automobile sealing strip

1. Conventional properties: such as hardness, tensile strength, elongation at break, compression permanent deformation, resistance to ozone aging, resistance to atmospheric aging, resistance to paint contact mutual permeability.

2. Performance of finished products: including extrusion pressure, insertion and drawing force before and after door frame closing, abrasion resistance of flocking surface and abrasion resistance of sealing strip coating.

Hongfeng vehicle parts co., LTD. Main products: seal strip, train seal strip, curtain wall sealant strip, filter core, car cable, train cable, car air filter core, air filter core, if there is a need to call phone contact, we wholeheartedly serve you!