Product name: decorative wall panel NRC: 0.9 as per ASTM C423 Flame retardancy: Class A as per ASTM E-84 Product name: decorative wall panelNRC: 0.9 as per ASTM C423Flame retardancy: Class A as per ASTM E-84Color: many colors availableThickness:15mm, 25mm, 40mm, 50mmDimensions: 600mm*600mm, 600mm*1200mm, 1200mm*1200mm, 1200mm*2400mm