... the raw materials like silicon materials(quartz power, diatomite), calcium materials(concrete, lime) and reinforced fiber(pulp fiber, glass ... durability, high intension, long life-span and anti-moisture.Calcium Silicate Boards PerformanceHealthy and Eco-friendly: free from asbestos ... intensive, anti-striking and good nail-holding performance. Calcium Silicate board at 6mm thick is much stronger than ...