Aluminium-Silicate Wool Board 1. waterproof, sound, heat insulation 2. excellent quality 3 ... with metal mesh, fiber glass cloth, fiberglass blanket, aluminium foil Normal aluminium-silicate wool, with 45% Al content, it ... sides), fiberglass blanket (single side, double sides), or aluminium foil (single side, double sides). Specification and physical-chemical properties of ... 0.2<0.2<0.2 ceramic wool board