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What Are The Essential Differences Between SMC And BMC Manho

SMC and BMC are composite materials. What are the essential differences between SMC and BMC composite well covers?
 
SMC composite is the abbreviation of sheet molding compound, namely. Sheet mold plastic. The main raw materials are GF (special yarn), up (unsaturated resin), low shrinkage additive, MD (filler) and various additives. It first appeared in Europe in the early 1960s, and developed this process in about 1965 in the United States and Japan. In the late 1980s, China introduced advanced SMC production lines and processes from abroad. SMC composite materials and SMC molded products have excellent electrical insulation, mechanical properties and heat
 
Stability and corrosion resistance. So SMC products are widely used.. now the trend is SMC composite materials rather than BMC materials.
 
Fiber reinforced materials are widely used and used in large quantities. They are characterized by small specific gravity, high specific strength and high specific modulus. For example, carbon fiber and epoxy resin composite materials, their specific strength and specific modulus are several times that of steel and aluminum alloy, and they also have excellent chemical stability, friction and wear resistance, self lubrication, heat resistance, fatigue resistance, creep resistance, noise reduction, electrical insulation and other properties The composite with dimension and resin gives a kind of material with expansion coefficient almost equal to zero. Another characteristic of fiber reinforced materials is anisotropy, so the arrangement of fibers can be designed according to the strength requirements of different parts. The aluminum matrix composite reinforced by carbon fiber and silicon carbide fiber can still maintain sufficient strength and modulus at 500 ° C.
 
Zibo best energy saving material Co., Ltd. is located in Zibo City, Shandong Province, the birthplace of football. Since its establishment in 2004, the company has been engaged in well cover, tree pool cover, trench cover, cable trench cover, rainwater grate, anti-theft well cover, BMC resin cover, polymer cover, FRP well cover, SMC resin manhole cover, lawn cover, alloy concrete nylon well cover, cable support, all kinds of well cover, cover, grate, tree plate, all kinds of special composite cover, cover, support, resin grid plate, etc R & D and production.
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