Fiberstone Products Ltd. - Composite Materials. Engineered Composite materials for the Steel, Foundry, Aluminium, Cement, Met ... al Recycling and Renewable Heat Industries. Fiberstone is a super reinforced ceramic with up to 35% in weight of stainless steel fibres. Offered as custom-made precast solutions, it is the ideal replacement for iron, steel and refractory parts that fail due to: • High Temperature • Thermal schock • Mechanical impact • Chemical attack read more