Polyvinyl chloride, non-plastic (UPVC)
This article is a kind of variation of thermoplastics, modern, consisting of the derivatives of the original crude oil and salt. In the process of the production of UPVC with the addition of several different materials, because the traffic signs (Impact Modifier), a material with anti-combustion (Heat Stabilizers), the fillers (Fillers), the donor (Processiny Aids), the lubricant of internal and external (Internal