Rubber Mallet is a kind of fire hammer. Rubber Mallet is a kind of elastic hammer made of rubber. It mainly plays a buffer role in knocking some fragile places and installing floor tiles and glass. The material of Rubber Mallet is polyurethane rubber. Polyurethane rubber is a series of elastomer materials containing more carbamate groups on the polymer main chain, which is actually polyurethane rubber. Uses and types of Rubber Mallets sheet metal hammers of various specifications and styles are used in body maintenance, which are respectively used for correction, rough machining, finishing and special purposes in metal processing. When in use, just install the required hammer head on the hammer handle. After repeated verification, it has the characteristics of convenient use, convenient carrying, fast assembly and so on; The hammer head is 1cm in diameter and is cut from high carbon steel. The conical hammer head has strong penetration. Rubber Mallet is a hammer made of rubber and elastic. It mainly plays a buffer role in knocking some fragile places and installing floor tiles and glass. The material of Rubber Mallet is polyurethane rubber. Polyurethane rubber is a series of elastomer materials containing more urethane groups on the polymer main chain. It is actually polyurethane rubber, which is referred to as polyurethane rubber or urethane rubber or polyurethane elastomer for short. In addition to carbamate groups, polymer chains also contain ester groups, ether groups, urea groups, aryl groups and fat chains. It is usually formed by the reaction of oligomer polyol, polyisocyanate and chain extender. Polyurethane rubber forms different structures and varieties with different raw materials, ratios, reaction modes and conditions.

• The rubber hammer mainly overcomes two shortcomings of the general rubber hammer. One is that the large elasticity leads to the high rebound of the hammer head, which is uncomfortable; Second, the hammer with large elasticity prolongs the action time when knocking and reduces the impact force, that is, it feels boring.

• When striking an object with a large force bearing surface, most of the force of the traditional hammer will be dispersed along the transverse direction within 10 milliseconds after striking, while the force of the non elastic rubber hammer is longitudinal forward. Its advantage is that it can better transmit the force to the longitudinal direction.

• Good elasticity and good compression deformation. The formula does not contain sulfur, so it is very easy to make It has the characteristics of anti animal and vegetable oil, will not affect the physical properties due to neutral chemicals, fats, oils, a variety of oil products and solvents, and has the characteristics of anti combustion.

The rubber used has good comprehensive properties and is widely used. Mainly: ① natural rubber. It is prepared from the latex of Hevea triloba. The basic chemical composition is cis polyisoprene. Good elasticity, high strength and good comprehensive performance. ② Isoprene rubber. The full name is cis-1,4-polyisoprene rubber. The high CIS synthetic rubber prepared from isoprene is also called synthetic natural rubber because its structure and properties are similar to natural rubber. ③ Styrene butadiene rubber. SBR, for short, is prepared by copolymerization of butadiene and styrene. It is divided into emulsion polymerized styrene butadiene rubber and solution polymerized styrene butadiene rubber according to production methods. Its comprehensive performance and chemical stability are good. ④ Polybutadiene rubber. Its full name is cis-1,4-polybutadiene rubber, abbreviated as BR, which is prepared by polymerization of butadiene. Compared with other general-purpose rubbers, vulcanized cis-polybutadiene rubber has excellent cold resistance, wear resistance and elasticity, less heating under dynamic load and good aging resistance. It is easy to be used together with natural rubber, neoprene, nitrile rubber, etc.

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