1. It has strong adhesion to porous materials such as wood, paper, cotton, leather, ceramics, etc., and has a high initial viscosity. 2, can be cured at room temperature, and the curing speed is fast. 3. The film is transparent, does not pollute the adherend, and is easy to process. 4, with water as the dispersion medium, does not burn, does not contain toxic gases, does not pollute the environment, safe and pollution-free. 5. It is a one-component viscous liquid, which is convenient to use. 6. The cured film has certain toughness, resistance to dilute alkali, dilute acid, and good oil resistance. It is mainly used in wood processing, furniture assembly, cigarette splices, architectural decoration, fabric bonding, product processing, printing and binding, handicraft manufacturing and leather processing, label fixing, tile bonding, etc. It is an environmentally friendly adhesive. Agent.
Low carbon USS flat washers, typically used with Grade 8 or hardened steel bolting, are used under bolt heads or nuts to increase the bearing surface area, or to offer protection so that the nut or bolt can be rotated without distortion of the bearing surface. Flat washers are also used to give tightness to a joint, to prevent leakage, and especially to distribute pressure under the head of a bolt or nut. Dimensional specifications are governed by ASME B18.21.1. USS (United States Standard) flat washers have a larger outer diameter than SAE (Society of Automotive Engineers) flat washers, and can be utilized in nearly any application. ASTM F844 covers the standard specifications for unhardened steel flat washers for general use. Available in zinc plated finish. Zinc plating sacrifices itself, corroding before the base material, offering added corrosion resistance.
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