200pcs Rubber O Rings Kit, 15 Sizes 6-30mm Silicone Gasket Sealing O-Ring Assortment Set, for Plumbing, Automotive and Faucet Washers, Air or Gas Connections, Resist Oil and Heat O-Rings with Box

√Yetaida Rubber Seal Gaskets' superior performance√ O ring assortment kit are widely used in a variety of mechanical equipment, construction machinery, machine tools and various hydraulic and pneumatic components and other seals, in a certain.temperature, pressure and different liquid or gas media can assume a fixed, reciprocating and rotary movement of the seal. 【Storage】： (1) Rubber o rings should avoid storage in direct sunlight, humidity and air circulation, to prevent o rings accelerated aging, suitable temperature of 0-20 ℃, suitable air humidity of 70% or more. In addition, rubber gasket should be protected from radiation, smoke, insects, rodents, dust, sand, mechanical damage, and other damages. (2) Rubber gasket ring storage must be more than 1 meter away from the heat source, do not allow contact with acids, alkalis, solvents and grease and other liquids, gases. (3) Do not allow pressure, stretching or other forms of deformation. (4) O-rings are generally packed in plastic bags or boxes, with an effective storage period of 2-3 years. 【Attention】： 1. The finish of the groove and the roughness of the contact surface of the groove have a great influence on the sealing effect and durability. 2. When used as a seal for pneumatic devices, lubricant must be added to prevent wear. 3. The cross-sectional area of the o ring should not exceed the cross-sectional area of the groove, and, in order to ensure the margin of thermal expansion and contraction, generally take 65% to 90%. 4. Groove rounding will also affect the rubber o rings installation and sealing, the bottom rounding Re not too large, not more than 20% of the diameter. 5. The size of the faucet washers must be matched with the size of the groove. Cautions:This product contains small parts,Please keep away from children.