Combined sealing ring for hydraulic cylinder piston If you distinguish its use, it depends on what part of the cylinder you use, such as the piston or the piston rod. UPH (this is a seal for high pressure, a seal made of nitrile rubber seals
, it is a general-purpose seal, but it depends on whether your cylinder is suitable for a seal of this material), USH (this The performance of the seal is the same as that of UPH, only to distinguish between high and low pressure, ), LBH (this seal only plays a dust-proof role, it is an oil seal without pressure) 1. Product name: Sealing ring 2. Material: Butadiene rubber, silicone, Fluorine rubber, EPDM and other materials can be customized by mold opening. Nitrile rubber—>Performance introduction: Nitrile rubber O-ring is a copolymer of acrylonitrile (ACN) and butadiene. The performance of nitrile rubber seals mainly depends on the CAN part (generally 18%-50%), and the CAN content is higher than 50 % has strong resistance to mineral oil and fuel oil, but its elasticity at low temperature, the compression set rate becomes poor; the formula with higher butadiene (such as 78%) has good resistance to Low temperature performance, but at the same time sacrificing oil resistance at high temperature. Silicone —>Performance introduction: Silicone rubber (Q) is a special rubber containing silicon and oxygen atoms in the main chain, of which silicon element plays a major role. Its main features are both high temperature resistance (up to 300°C) and low temperature resistance (minimum -100°C), and it is currently the best rubber that is resistant to cold and high temperature; at the same time, it has excellent electrical insulation and high stability to thermal oxidation and ozone. , chemically inert. The disadvantage is that the mechanical strength is low, the oil resistance, solvent resistance and acid and alkali resistance are poor, it is difficult to vulcanize, and the price is more expensive. Operating temperature: -60℃~+250℃. fluororubber—>Performance introduction: Fluorine rubber (FPM) is an organic elastomer copolymerized by fluorine-containing monomers. Its characteristics are high temperature resistance up to 300 ℃, acid and alkali resistance, oil resistance is the best in oil-resistant rubber, good radiation resistance, high vacuum resistance; electrical insulation, mechanical properties, chemical resistance, ozone resistance, atmospheric resistance Aging properties are excellent. The disadvantages are poor processability, expensive price, poor cold resistance, and low elasticity and breathability. Operating temperature range: -40℃~+300℃. Company website: https://www.orksealing.com/
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