SMC is the abbreviation of Sheet Molding Compound. It is made up of SMC special voile, unsaturated resin, low-contractive additive, filling and various aid reagents.
It firstly appeared early 1960s in Europe. Then the United States and Japan develop this process one after the other in about 1965. China introduced foreign advanced SMC product line and process at the end of 1980s.
SMC is attributed with excellent electrical performance, and anti-eroded property, lightweight and feasible and flexible engineering design. Because its mechanical properties can be comparative with some metal materials, so it is widely used in industries of transportation vehicles, architecture and electronic/electrical.
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