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Huami New Material

Styrene-butadiene rubber (SBR)

Styrene-butadiene rubber (SBR) is a copolymer of butadiene and styrene. Butylbenzene-10 containing 10% styrene has good cold resistance, and butylbenzene-30 containing 30% styrene has excellent wear resistance. It is suitable for making tires and sealing parts, and the products have poor oil resistance and aging resistance. The operating temperature range is -40℃ to 100℃, and the rubber hardness can range from 20 to 95 degrees.

Isobutylene-isoprene rubber (IIR)

Isobutylene-isoprene rubber (IIR) is a copolymer of isobutylene and isoprene. It features weather resistance, ozone aging, phosphate ester hydraulic oil resistance, acid, alkali, rocket fuel and oxidant resistance, excellent dielectric and insulating properties, and low air permeability. The operating temperature range is -50℃~150℃, and the rubber hardness can range from 30 to 90 degrees. It is suitable for making tire inner tubes, door and window sealing strips, sealing parts of phosphate ester hydraulic oil systems, rubber hoses, insulation layers of wires, adhesive tapes and shock absorbing dampers. Products are not resistant to petroleum-based oils.

Natural rubber (NR)

Natural rubber (NR) is an isoprene polymer. It has excellent resilience, tensile strength, elongation, abrasion resistance, tear strength and resilience performance are superior to most synthetic rubber. The operating temperature range is -60℃ to 100℃. Rubber hardness can range from 30 to 90 degrees. It is suitable for making tires, shock absorbing parts, buffer ropes and sealing parts. It is not oil-resistant, and has poor weather, ozone and thermal oxygen resistance.

Ethylene propylene rubber compound (EPM, EPDM)

The ethylene-propylene rubber is a binary copolymer of ethylene and propylene (EPM) or a terpolymer of ethylene, propylene, and diene olefins (EPDM). It is resistant to weather, ozone aging, steam, phosphate hydraulic oil, acid, alkali, rocket fuel and oxidant, and has excellent electrical insulation performance. The working temperature range is -55~150℃, and the rubber hardness can range from 17~95 degrees. It is suitable for making sealing parts of phosphate ester hydraulic oil system, rubber hose and sealing profiles of aircraft, automobile doors and windows, adhesive tape and wire insulation layer. Products are not resistant to petroleum-based oils.

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