... Waterproofing. 2. Fire retardant and self-extinguishing. 3. Heat preservation. pvc foam boards packingFeatures:1. Waterproofing.2. Fire retardant and self ... board, partition board in office and house.2. Screen printing, flat solvent printing, engraving, billboard and exhibition display.3. Chemical anticorrosion project ... mm): 2440, 3050Color: white, black, red, blue, yellow, green, gray pvc foam boards