... -silicate wool coated with metal mesh, fiber glass cloth, fiberglass blanket, aluminum foil Normal aluminium-silicate wool, with 45% Al content ... ), fiber glass cloth (single side, double sides, six sides), fiberglass blanket (single side, double sides), or aluminum foil (single side, double ... (128kg/m3 or 8pcf)(Mpa)0.040.040.030.030.03(psi)77555Thermal shrinkage for 24hrs (%)1150≤31250≤3.51300≤3 ...