... Green products. Calcium silicate board is mainly made from silicious material, lime factory and reforcing fiber through the process of slurring, forming ... your ordered.5) Edge: squared or bevelled.Product Date:Materials: Silicate, quartz sand, plant fiber, etc.Fireproofing features ... GB/T7019-1997)Radioactivity: In line with the standard, A-class product, no pollution in production, marketing and ...