Hana ʻia nā mea kelepona PVC me ka polyvinyl chloride e like me ka resin kumu, hoʻohui i nā stabilizers, lubricants a me nā mea hoʻopiha inorganic, etc., ma o ka hui ʻana, kneading a extrusion.ʻOiai ʻo kāna hana kikowaena waena he laulā a ʻaʻole pili kaiapuni, haʻahaʻa kona kumukūʻai a ʻo ke kaʻina hana s ...
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