Daga mahangar samar da samfuran filastik, ana amfani da nau'in busa extrusion don haɓakawa, sanyaya, da kuma tsara parison, yayin da yake baiwa mai zanen siffar da girman da ake so.The extrusion busa mold yana da wadannan halaye.(1) Extrusion busa gyare-gyaren gyare-gyare, sai dai ...
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