Five types of materials_Hebei Fengming Plastic Products Co., Ltd.

● Composite of rubber and PVC (modified PVC). The main characteristics of this product are: adjustable cost, generally a few cents a meter (specifically determined according to specifications), short service life, and poor sealing effect.

● EPDM + PP thermoplastic elastomer (TPS, TPV, SEBS). After these materials are manufactured through strict processes, they solve the problems of easy compression deformation and heat aging. However, the vulcanization is slow, the adhesion is poor, it is not recyclable, and the color is single.

● Silicon rubber (SIR). Vulcanized molding rubber strips are superior to other materials in terms of compression resistance, cold shrinkage resistance, heat resistance and aging, resilience, and beautiful surface. General food mechanical seals and lamp seals use this material, but the cost is high. , Weak in tear resistance and friction.

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Five types of materials