Suppy fiberglass insulation. 1)60g-300g/m2 2)4x4,5x5,10x10mm 3)1x50m, 0.16x300m 4)all colors fiberglass insulationis woven by fiberglass yarn, and ... C-glass or E-glass fibers woven roving as basis material, and then treated with acrylic acid copolymer liquid, glue content ...