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We specially produce STMMA copolymer resin series mold materials for foam lost casting, STMMA foamable copolymer resin beads, and they are mainly used to produce castings for valves, pipings, car fittings and various machinery fittings.

Compared with EPS, STMMA series foamable copolymer resin beads have much excellent casting performances

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Since 2002, three of our products have been patented, including our STMMA series of molding materials for lost foam castings, of which "novel foamable copolymer resin"(simplified as STMMA resin) and its preparation process fulfills a domestic need and was granted both Chinese and USA patents.

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