PVC marble sheet mainly made from stone powder ( calcium carbonate powder ) and plastic ( PVC resin ), the form of PVC marble sheet include 4 layers, the surface is protective film layer, the second layer is UV curing process durable layer, the third layer is PVC texture color decorative layer, the last layer also named PVC basement and balance layer, also is bottom layer, is waterproof and fire retardant base layer. So PVC marble sheet also called PVC sheet, UV marble panel, UV marble board, UV panel, etc.