... 3.colour:as requiremet pharmaceutical PVCTransparent plate negativeMedicinal PVC plate negative, is a premium hygiene level PVC resin as main raw ... features:1, product thickness, clear lucent,2, crystal points less, without impurities,3, impact resistance, corrosion resistance, ageing resistance, anti ultraviolet ... not be detected, no abnormal toxicity medicinal PVC plate negative for packing capsule