We make 100% asbestos free calcium silicate insulation blocks with excellent heat insulation properties. Our calcium silicate blocks are widely used in cement plants, steel plants, aluminum industry, sugar industry, fertilizer industry, ceramic factories, petrochemical industry, and other allied industries. Our calcium silicate blocks have very low density and hence it is very light weight and easy to install. Thicknesses are available from 25mm up to 100mm. “Horizon Refractories” calcium silicate blocks are guaranteed to deliver substantial energy savings in all industry segments of its effective applications. Our calcium silicate insulation blocks are inorganic, non-combustible and eco-friendly. Our calcium slicate insulation block are conforming to ASTM standard C-533, IS standard and BS standard 3958 Part-II