Fiber cement board, environmental protection Fiber cement board is mainly made from cement ,quartz sand and reforcing fiber through the process of slurrying,forming,high pressure steam curing ... standard, A-class product, no pollution in production, marketing and application (GB6566-2000)Pull-out strength of screw: ≥95.4N/ ... hotels, hospitals, train station or MRT stations and so on. Fiber cement board