SHIM fiber glass wool board for wind pipe use even and slender glass fiber and environment friendly adhesive via special technics to produce. According to the needed R-heat ff of various kind can be made ased on different density. It is most suitable for outside heat preservation & isolation of rectangle metal pipe syste . In addition, water or moisture proof material of various kind can be provided and added onto the glasswool board at the plant to as to satisty the requirement of heat isolation and dampproof under different environment. By using SHIM glass wool board, the could and heat loss of pipe wall and the operating cost of HVAC system can be reduced significantly. It features fine appearance and perfect dampproof and heat isolation performance. Standard specification range Density(kg/m3): 24 32 40 48 56 64 Thickness(mm): 15 20 25 30 40 50 75 100 Width(mm): 600 Length(mm): 1200