... Foam Board/Sheet/PanelMaterial PVC (PolyvinylChloride) resin, Stabilizer, Foaming agent, UV agent, Anti-aging agentDensity 0.37~0.8g/cm3 available. ... technology processing, the main material PVC resin can be foamed and extruded into a special sheet with many advantages, ... as shinny or matt surface, waterproof, flame-resistant, UV stable, sound and heat insulation, anti-chemical corrosion, etc.Kingstar ...