• ZhongXingCheng PVC plastic roofing sheet in the long term against acid, alkali, salt and other corrosive chemicals. Experiments prove that: In the salt, alkali and 60% following a 24-hour soaking in acid, no chemical reaction. Very suitable for acid rainprone areas and coastal use, the effect was particularly significant.
• ZhongXingCheng PVC plastic roofing sheet's surface materials is co-extruded in ultra-weather surface layer resin to ensure the durability of products (for 15 years in quality assurance).
• Fire Resistance
• ZhongXingCheng PVC plastic roofing sheet is a flame retardant materials, through the national fire authority of the department according to GB8624-2006 standards for testing, fire safety performance ≥ B1 grade.
• Heat Insulation
• ZhongXingCheng PVC plastic roofing sheet’s thermal conductivity coefficient is 0.325w/mk, clay tile is about 1 / 310, ceMore