Ammonium polyphosphate inoshanda sei muPolypropylene (PP)?Polypropylene (PP) inoshandiswa zvakanyanya thermoplastic material, inozivikanwa nekunaka kwayo ma mechanic properties, chemical resistance, uye heat resistance.Nekudaro, PP inopfuta, iyo inomisa mashandisirwo ayo mune mamwe minda.Kugadzirisa izvi ...
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