... impact resistance 3.Certificate: Soncap; ISO9001:2000 decor gypsum board for ceiling (ISO9001:2000; 250mm*8mm) SpecificationWidth 20, 25, ... 40-70%, as you choiceIngredient PVC ,Calcium Carbonate, PCC and auxiliary material,Features1) Surface is glossy as mirror, ... be bend2) Colors and patterns: over 200 colors and patterns for choose3) Wearing resistence, flame retarding, aging resistence, smoothness, ...