... grades.Usage list of PVCTYPESMajor usageHS-1300It can be used for electric insulation material, commercial and civil-films, soft tubes ... fiber etc.HS-900It can be used for disk, hard plate, welding rod, fiber, bottle, transparent plate, transparent sheet, super-chlorination ... moulded hard pipe fittings etc.HS-800It can be used for bottle material, transparent sheet, inject-moulded hard pipe fittings, ...