The zikuchokera waukulu wa PVC chingwe chuma makamaka zikuphatikizapo: polyvinyl kolorayidi utomoni, dioctyl phthalate, stabilizer, plasticizer, inorganic filler, filler, lubricant, antioxidant, colorant, etc., okonzeka ndi kusakaniza ndi kukanda ndi extrusion.Zomwe zili mupulasitiki nthawi zambiri zimakhala pakati pa 50PHR ndi 60PH ...
Werengani zambiri