... use the bulk yarn glass fiber, high strength, low density, high temperature resistant(550 °C), good insulation, ... condensation. Because the bulky fabric filtration resistance is low, caused the filter efficiency and the speed obtains ... as recycles the valuable industry dust and so on. For example:cement, carbon, steel, metallurgy, lime kiln, ... Yarn Fiber Glass Cloth,Welding Blanket for Roll, 3MMTHK