Nyob rau hauv kev tsim kho thiab kev kho hauv tsev, cov hluav taws tsis taus ntawmUPVC Feed Vuasfeem ntau muaj kev txhawj xeeb. Cov lus teb yog:UPVC ru vuasMuaj hluav taws kub heev thiab muaj nplaim taws - retardant.
UPVC yog ua feem ntau ntawm polyvinyl chloride resin, nrog additives xws li stabilizers thiab antioxidants. Thaum nws hlawv, nws tso tawm cov tshuaj roj hydrogen hydrogen hydrogen tshuaj, sib sau cov nplaim hluav taws- retardant txheej uas inhibits kev sib kis taws. Nov yog lub ntsiab cai tseem ceeb ntawm nws cov hluav taws tiv thaiv.
Raws li cov qauv hauv tebchaws, tsim nyogUPVC ru tsevfeem ntau ntsib "B1 nplaim tawsRetardancy ": Nws tsis hlawv yooj yim thaum raug hluav taws, nrawm rau cov nplaim taws, thiab muaj cov nplaim hluav taws xob tsis zoo nyob rau txhua hnub
Txawm li cas los xij, nws yuav tsum tau sau tseg tiasUPVC nplooj ntawvTsis yog "kiag li tsis yog - pob zeb" thiab tej zaum yuav muag thiab deform rau hauv siab nruam- kub nthuav tawm. Txawm li cas los xij, hauv cov xwm txheej xws li cov chaw nyob hauv tsev thiab kev lag luam, uas yuav ua rau nws dav siv hauv qab nthab, partitions thiab lwm thaj teb.