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Special type rubber that has some special properties of rubber. Are:(1)
- Nov 23, 2016 -

① neoprene, abbreviated CR.

Chlorine butadiene polymerization system. With good performance, oil resistance, fire resistance, resistance to oxidation and ozone. But its high density, crystallization at room temperature to harden, bad storage, cold tolerance of difference.

② NBR, NBR for short.

Copolymer of butadiene and acrylonitrile. Has good oil resistance, heat-resistance, cold resistance, pressure resistance and water resistance, air tightness and excellent bonding properties, and is ready to wear, often use temperature ~+120 ℃-40 ℃, 120 ℃ in the air or in oil at 150 c for long-term use.

Easily molded into any shape of metal hydraulic seals and NBR best suited to production pressure 32Mpa seals for hydraulic cylinders. Specially designed recipes, easy to press oil resistance: abrasion resistance can withstand the mechanical axis of automobile speed 3000 Rev/following (rubber hardness 70 °).