About Click Lock Engineered Plastic Flooring,it consists of five parts,the first one is Special Grade UV Treated layer,the second one is High Density Resistant Wear Layer,the third one is Color film layer,the fourth one is Substrate,the fifth one is Silent film/Anti-slip film. About the Vinyl Click Flooring thickness,we have 4mm,4.5mm,5mm,6mm. Stone Plastic Composite Floor ADVANTAGES 1) Waterproof and moistureproof As the main component of SPC is stone powder, it has good performance in water and will not mildew under high humidity. 2) Flame retardant Toxic fumes and gases burned 95% of the victims in the fire, according to authorities. The fire rating of SPC floor is NFPA ClassB. It is flame retardant, will not self ignitation, automatically extinguish the flame within 5 seconds, and will not produce toxic substances of harmful gases. 3) Formaldehyde free SPC is a high quality stone powder and PVC resin, without benzene, formaldehy…