... specifications. Fiberglass Wool matFeatures:1) Fiberglass Wool mat, made of centrifugal glass wool, is good ... 0426)Conveyance:Qty/40' HQ: 450 rolls.Note: The mat can be coated with Al. foil, black fiberglass tissue ... 4) Thickness: 15mm, 25mm, and 50mm.Note: The boards can be coated with perforation Al. foil, ... 1) Rock wool board or mat, made from basalt fiber, is heat-insulation mat.2) Density: 50kg/m3~ ...