Sealing ring is a common seal in life, its sealing performance and life expectancy and its material selection is closely related. Different uses of rubber seals used in different raw materials, including the use of nitrile rubber seal is the most widely used on the market, the lowest cost seal products. Now with the development of reclaimed rubber production technology, the nitrile rubber reclaimed rubber index, which is made from waste nitrile rubber, is getting closer to nitrile rubber. Therefore, more oil seal manufacturers have started to use nitrile rubber , Reduce raw material costs for greater profits.
Nitrile reclaimed rubber raw materials mostly waterlogging nitrile, nitrile rubber waste products, after a number of complex production process is completed, retaining the molecular structure of nitrile rubber and performance characteristics, excellent oil resistance, produced by the oil seal The ring can work long hours in the oil medium to maintain good sealing performance;
The use of nitrile rubber reclaimed rubber seal production of high ozone resistance than the ring of natural rubber products, prone to ozone cracking;
Nitrile rubber reclaimed with good physical and mechanical properties and good wear resistance, can be widely used, including all the oil seals, including rubber products to ensure that its long life;
Nitrile reclaimed rubber oil resistance and acrylonitrile content, and its air tightness is also linked with the acrylonitrile content, usually with acrylonitrile content of 39% of the nitrile rubber reclaimed rubber produced with the oil and butyl Recycled plastic quite airtight, better product air tightness, the sealing effect is more significant;
Nitrile rubber ring also has good anti-static ability, heat resistance is also good, long time high-frequency work can also maintain a good seal.
However, the use of nitrile rubber reclaimed production of seals is not a panacea, long-term work in -40 ~ 120 ℃, if the use of higher ambient temperature, you need to use other types of rubber. Use of nitrile rubber reclaimed rubber production of oil-resistant seals, if you want to improve the seal oil resistance, you can use the cost within the range of partial nitrile rubber, or the use of resin curing system.
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