We have rock wool felt and board Technical Parameters Conductivity Coefficient 0.040 W/M.K -0.045W/M.K Fiber diameter <7 um Non-combustibility A1(nonflaming) Water absorption ≤2% Water repellent rate 98% Content of organic matter ≤4% Compressive strength ≥40Kpa 1.Rock wool board Density 60Kg-200Kg Thickness 50mm-100mm Length 1000mm 1200mm Width 600mm630 size can be produced as per customer special request. It can be unfaced or Sticked aluminum foil on thesurface2.Rock wool felt Density 80Kg-110Kg Thickness 30mm-80mm Length 2000-5000mm Width 600mm size can be produced as per customer special request. It can be added the iron wire mesh or Glass cloth on the surfaceAdvantage Corrosion resistance Moldy resistance capacity Notoxic No mildew Applications Our product is widely used for the heat insulation and sound absorption and heat preservation of pipes in building field.