Ozone resistant silicone import o type is a standard, of course, our company can also custom non-standard O-ring according to customer needs. Specifications can be classified according to: American Standard series, the standard series, the European standard series, GB series. According to different materials can be divided into: NBR NBR import O-ring standard, FKM (VITON) Viton O-ring, EPDM EPDM O-rings, SILICOME silicone O-rings. Taiwan Wall top seal main business products are: import O-rings, seals, rubber ring, star-ring, X-type ring, seal, polyurethane seal, APA, APP, PDU, AEI, DKB, ED ring pipe joint seals, gaskets bevel, solid rubber ball, rubber flat washer and rubber gaskets, rubber parts. Rubber raw materials used by top Taiwanese Wall Jin Koujiao all materials, DuPont, Daikin and so on. Materials are NBR NBR, hydrogenated nitrile rubber HNBR, FKM FKM, VITON, silicone rubber SI, EPDM rubber EPDM, polyurethane rubber PU ...... Our standard import O-ring ring member Complete specifications --- We have over 4500 deputy dies, including national standard sizes and non-standard sizes can also be customized, and will not charge mold fee. Imported ozone silicone O-ring and other sealing products in the development of the mainland in recent years, with economic development, the development of the sealing industry is also very fast. However, different from other industries that develop the sealing industry, although fast, seal business change but slowly. 1) The products have been taking the old road, anti-ozone O-rings and other sealing products are still developed around 20 years ago and expanded graphite and ancient approaching eliminated banned asbestos fuss, rarely out of the circle. 2) technology, the majority of businesses small proportion of scientific and technical personnel, technical strength is very weak, so companies lack the appropriate development and transformation capabilities. 3) equipment, most companies have only a few old knitting machine, several earthen winding machine, a simple tooth punching and shearing machines, etc., depending on the proficiency of the organization of production of older workers; and Many manufacturers of equipment in the production of long-term task is not saturated. 4) the quality of management, did not follow the norms of standard technology for production, still rely on skilled operatives. While many manufacturers have achieved ISO 9000 quality certification, but its internal process documents required by the quality control program or job guidance document and device management documents are often tenuous or can not perform as planned, and international levels are far apart. 5) scale enterprises, sales of most companies in the $ 5 million, 10 million of the few, only a handful of more than 10 million. Ozone resistant silicone o-ring imported 1.CH3 CH = CH - (Si-O) (Si-O) methyl vinyl silicone rubber O-rings CH3 CH3 2.SIL physical and chemical properties of silicone rubber imported material is obtained from quartz in silicon element, based on the silicon atoms by non-polar saturated rubber adhesion such as methyl, vinyl, etc. and a side chain formation. It can cause different side chain of silicone rubber having different characteristics. Methyl vinyl silicone rubber (VMQ) is the application of more of a silicone rubber O-rings silicone O-ring material imported ozone-resistant silicone o-rings have excellent heat resistance, low temperature flexibility, and particularly excellent resistance to oxidation and ozone The performance, with high selectivity and permeability of gas permeable. Good electrical insulating properties (volume resistivity greater than 1016 European .cm, breakdown voltage 30kv / mm or more), corona resistance and arc resistance.