Glasswool Section Pipe is a kind of economical insulating material which is light and easy to install. This material has excellent performance of heat and sound insulation under both extremely high and low temperature conditions. Therefore, glasswool section pipes are widely used on heat and sound insulation of ventilating ducts, industrial & civial heat supplying and all kinds of heating, cooling pipelines. Specification Density 50-64kg/m3 Thickness 30. 40. 50. 60. 70. 80. 90mm Length 1000mm Applicable inner diameter 18-1500mm Physical properties Thermal Conductivity 0.033W/mk Fireproo f anti-flaming (grade A) Moistureproof >=98.5% Anticorrosiveness inoganic material is not needed Sound Absorption above 0.75LRC Applicable Temperature -120 to 350 degree centigrade