EVA (etylene vinyl acetate copolymer) waa walxo balaastiig ah oo caadi ahaan loo isticmaalo oo leh habsocod aad u wanaagsan iyo sifooyin jireed, sidaa darteed si weyn ayaa looga isticmaalaa meelo kala duwan. Kadib, hababka ku habboon ee habaynta EVA ayaa la soo bandhigi doonaa soo socda, oo ay ku jiraan extrusion, qaabaynta duritaanka, calending iyo h ...
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