... is light-weight but strong, free formaldehyde, healthful and harmless(environmental friendly). pvc free foam sheet is light-weight but strong, free formaldehyde ... , healthful and harmless(environmental friendly). Can be applied to Partition of front screen, high-grade ... g/cm3ColorWhiteCertificateSGS, ASTM, 3C, RoHS, EN71 building material of pvc foam board