polyurethane sealed rock wool sandwich panel features a rock wool core material with polyurethane edge sealing. This effectively combines the non-combustibility and high temperature resistance of rock wool with the insulation and durability of polyurethane. lt has A-grade fire resistance, a thermal conductivity coefficient of ≤0.042/W(m·K),good sound absorption,excellent load-bearing capacity, high bending strength, water resistance, rot resistance, wide temperature tolerance, and easy installation.
