EVA waterproof board

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Production technology of Tianhai EVA waterproof board uses domestic advanced two-section pressing and single screw extrusion method. Intensifier and antioxidant are added into raw material resin EVA; the board is formed after heating, melting, plastification and pressing and traction, earthwork fabric (signal layer) with hanging belt is composed into integral by heating to form composite waterproof board. Pressing and rolling method can be also used, i.e., melting and plastification are made by resin pressing machine, melting shape blank pressed out from narrow mold mouth of the machine is melted into integral with hanging belt, and flat film is formed by rolling of roller and cooling, or the blank is melted into earthwork fabric with hanging belt, and composite waterproof board is formed by rolling of roller and cooling.

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Shandong Tianhai New Materials Engineering CO.,LTD

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