Main uses of nitrile rubber
Release Time:
2022-11-10
Source:
Because of its excellent oil resistance and physical and mechanical properties, NBR is widely used in the manufacture of various oil resistant rubber like products, such as O-rings, gaskets, hoses, fuel tank linings, printing rollers, oil tank linings, insulated floor boards, oil resistant shoe soles, hard rubber parts, fabric coatings, pipe thread protective layers, pump impellers, wire wraps, adhesives, food packaging films, rubber gloves and other fields. In 2014, there were more than 30 countries producing NBR in the world, and the largest consumption area was the production of oil resistant rubber hose products and flame retardant conveyor belts, accounting for 53% of the total consumption of NBR. Using nylon interlayer and chlorinated butyl rubber as the inner and outer layer structure, a new type of rubber tube can be produced to prevent Freon gas from seeping out. The car is made of HNBR as the inner layer adhesive, nylon 66 as the reinforcing layer, and CSM as the outrigger. Good power steering performance, can withstand 4 million pulses at 12 ℃. In addition, NBR is also an ideal material for automotive CVT tape, automotive and aircraft fuel, etc. Nitrile butadiene rubber in China is mainly used in military, automobile and aviation industries, mainly oil resistant parts such as fuel tanks, and also used in seals, transmission belts, hoses and plastic modified materials. The consumption is increasing year by year. Almost all rubber hose factories and sundries factories use NBR more or less. The second largest application field of NBR is sealing rubber products, which are widely used in aerospace devices, transformers, liquefied petroleum gas pipelines and other aspects. Among them, automotive seals account for about 50% of the total consumption of sealing rubber products. The nitrile rubber used for wire and cable products in China is about 1000t every year. New alloy materials such as NBR/PP, NBR/PS, NBR/PVC>NBR/PA, NBR/ACR, NBR/CSM, NBR/EPDM, NBR/BR can be prepared by using dynamic vulcanization technology and compatibilization technology, which has a good market prospect. NBR is also used to make oil resistant rubber plates, printing cots, fire retardant hydraulic hoses for coal mines, oil tanks, oil tanks, oil containers, oil resistant rubber shoes, etc.
It is mainly used in aviation, automobile, printing, textile and machinery manufacturing industries abroad. Due to the development of NBR modified varieties, the application prospect of NBR is expanded. To sum up, it mainly includes: manufacturing fuel pipes, grease cloth, oil seals, oil filling pipes, oil resistant rubber parts and various products in contact with oil. NBR has good compatibility with PVC, acetic acid resin, etc., so it is often mixed with resin for material modification. PVC is often used to improve the processability and impact resistance. Phenolic resin is used to obtain the flexible material and make the fluidity material after asphalt mixing.
Buna-N rubber is mainly used to make oil resistant products, such as oil resistant pipes, tapes, rubber films and large oil pockets, etc. It is commonly used to make various oil resistant molded products, such as O-rings, oil seals, cups, diaphragms, valves, corrugated pipes, rubber hoses, seals, foams, etc. It is also used to make rubber plates and wear-resistant parts.
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