Features; 1, excellent, long-lasting heat insulation of 2, excellent resistance to water, moisture resistance. 3, high compressive strength. 4, anti-corrosion, durability. 5 lightweight, high strength. 6, product reuse, environmental protection. Regional use; an inverted roof. 2, cold storage use. 3, steel roof insulation. 4, flooring installation foreshadowing - mats treasure. 5, wall insulation, other applications.