1, natural rubber (NR) natural rubber (NR) isoprene polymer. Excellent resilience, tensile strength, elongation, wear resistance, tear and compression permanent deformation performance are better than most synthetic rubber. Suitable for making tires, shock absorbing parts, cushion and seal parts. Oil resistance, weather resistance, ozone, oxygen performance is poor. Operating temperature range -60 ~ 100℃.

2, styrene-butadiene rubber (SBR) styrene-butadiene rubber (SBR) is a copolymer of butadiene and styrene. Styrene-10 containing 10% styrene has good cold resistance, and styrene-30 containing 30% styrene has good wear resistance. Suitable for making tire and seal parts, the product is poor in oil resistance and aging resistance. The operating temperature range is -60 ~ 120℃.

3, chloroprene rubber (CR) chloroprene rubber (CR) polymer, weather resistance, ozone aging resistance, self-extinguishing, oil resistance only second to nitrile rubber, tensile strength, elongation, resilience, and metal and fabric bonding is good. Suitable for making sealing ring and sealing profile, rubber hose, coating, wire insulation layer, adhesive and so on. Products are resistant to synthetic double ester lubricating oil and phosphate ester hydraulic oil. Operating temperature range -35 ~ 130℃.

4, nitrile rubber (NBR) nitrile rubber (NBR) for butadiene acrylonitrile copolymer. Generally containing 18%, 26% or 40% acrylonitrile, the higher the content, oil resistance, heat resistance, wear resistance is better, but cold resistance is the opposite. Nitrile rubber containing carboxyl group, wear resistance, high temperature resistance, oil resistance performance is better than nitrile rubber. Nitrile rubber is suitable for the production of various oil - resistant sealing parts, diaphragm, hose and soft fuel tank. Products are not resistant to weather, ozone aging, phosphate ester hydraulic oil. Operating temperature range -55 ~ 130℃.

5, ethylene-propylene rubber (EPM, EPDM) ethylene-propylene rubber is a binary copolymer of ethylene and propylene (EPM) or ternary copolymerization of ethylene, propylene and diene olefin (EPDM). Weather resistance, ozone aging resistance, steam, phosphate ester hydraulic oil, acid, alkali, rocket fuel and oxidizer, excellent electrical insulation performance. Suitable for the production of phosphate ester hydraulic oil system sealing parts, rubber hose and aircraft, automobile doors and Windows sealing profiles, tape and wire insulation layer. Products are not resistant to petroleum-based oils. Operating temperature range -60 ~ 150℃.

Butyl rubber (IIR) Butyl rubber (IIR) is a copolymer of isobutene and isoprene. Resistant to weather, ozone aging, phosphate ester hydraulic oil, acid, alkali, rocket fuel and oxidizer, with excellent dielectric properties and insulation performance, minimal air permeability. Suitable for making tyre inner tube, door and window sealing strip, sealing parts of phosphate hydraulic oil system, rubber hose, insulation layer of wire, rubber cloth and damping damper. Products are not resistant to petroleum-based oils. Operating temperature range -60 ~ 150℃.

7, chlorinated polyethylene rubber (CSM) chlorinated polyethylene rubber (CSM) weather resistance and ozone aging, oil resistance increases with the increase of chlorine content, acid and alkali resistance, suitable for the production of tape, car air filter coupling sleeve, radiator drainpipe, gasket, cable sleeve, anti-corrosion coating and soft tank wall. Operating temperature range -50 ~ 150℃.

8, polyurethane rubber polyurethane rubber for polyurethane esters. There are usually polyester type (AU) and polyether type (EU). It has excellent stretching strength, tearing strength and wear resistance, excellent oil resistance, ozone resistance and atomic radiation resistance. Suitable for making various shapes of sealing energy absorption device, punching template, vibration damping device, mechanical support gasket, flexible connection, anti-wear coating, friction power transmission device, rubber roller, etc. Operating temperature range -60 ~ 80℃. Should not be in contact with ester, ketone, phosphate ester hydraulic oil, concentrated acid, alkali, steam and so on.

9, polysulfide rubber (T) polysulfide rubber (T) for polysulfide alkane polymer, there are solid polysulfide rubber and liquid polysulfide rubber two. Good oil resistance, weathering resistance, low air permeability, good electrical insulation. Solid rubber is commonly used with butadiene rubber to make sealing parts, hoses and diaphragms in fuel systems. Operating temperature range of -50 ~ 100℃, short time up to 130℃. Liquid glue is usually used to make sealants.

10, chlorophenol rubber chlorophenol rubber for epichloropropylene polymer (CO), or epichloropropylene and ethylene oxide copolymer (ECO), or add a third monomer (propylene oxide) terpolymer. With oil resistance, ozone resistance, better heat resistance than glue, small air permeability. Suitable for making sealing gaskets and diaphragms.

11, acrylic rubber (ACM) acrylic rubber (ACM) is a new type of special rubber developed internationally, with excellent heat resistance, oil resistance, cold resistance, ozone resistance and other properties. According to the need, it can be used with fluorine rubber, butanol rubber, chlorosulfonated polyethylene, epDM rubber and so on, so as to obtain high temperature resistance, oil resistance. It is widely used in high temperature oil seal material of automobile and military equipment, adhesive for lining of container pipe and building sealant, outer sheath of special wire and cable of sound insulation and shock absorption products, etc.

12, silicone rubber silicone rubber for polysiloxane. There are usually dimethyl silicone rubber (MQ), methyl vinyl silicone rubber (MVQ), methyl phenyl silicone rubber (MPQ), methyl phenyl vinyl silicone rubber (MPVQ) and so on. Silicone rubber has excellent heat resistance, cold resistance, aging resistance, excellent insulation resistance, dielectric properties, good thermal conductivity, but poor strength and tear resistance, oil resistance, expensive price. Generally suitable for the production of sealing rings, sealed profiles, oxygen bellows, diaphragm, shock absorbers, insulation materials, insulation sponge rubber board. Operating temperature range -70 ~ 280℃.

13, fluorine rubber (FPM) fluorine rubber (FPM) commonly used fluorine rubber - 26, fluorine rubber - 246, the former is a copolymer of vinylidene fluoride and hexafluoropropylene, the latter is a copolymer of vinylidene fluoride, tetrafluoroethylene and hexafluoropropylene. Fluorine rubber has outstanding heat resistance, oil resistance, acid resistance, alkali resistance, aging performance and excellent electrical insulation performance, fire-resistant, small air permeability. But low temperature performance is poor. General use temperature range of -40 ~ 250℃, short time up to 300℃. Suitable for making all kinds of heat-resistant, oil-resistant sealing parts, hose, tape and oil tank, but the price is more expensive.

14, fluorosilicone rubber (MFQ) fluorosilicone rubber (MFQ) containing fluoroalkyl polysiloxane. Excellent oil resistance, chemical resistance, heat resistance, cold resistance, aging resistance, but low strength and tear resistance, expensive. Suitable for sealing ring and diaphragm of fuel oil, double ester lubricating oil and hydraulic oil system. Operating temperature range -65 ~ 250℃. ‍