procurement of ceramic fibre insulation blanket for 1x500 mw unit, sgtps, mppgcl, birsinghpur procurement of ceramic fibre insulation blanket for 1x500 mw unit, sgtps, mppgcl, birsinghpur , ceramic fiber insulation blanket, size-length: 3650 mm, width: 610 mm, thickness-50 mm, working temp. 1260 °c, chemical composition:- al2o3: 43% to 46%, sio2:54% to 57% other:=1% density: 128 kg / m³ linear shrinkage:= 3% ( at 1200 °c ) thermal conductivity: 0.28 w / mk ( at 1000 °c ) , ceramic fiber insulation blanket, size-length: 7300 mm, width: 610 mm, thickness-25 mm, working temp. 1260 °c, chemical composition:- al2o3: 43% to 46%, sio2:54% to 57% other:=1% density: 128 kg / m³ linear shrinkage:= 3% ( at 1200 °c ) thermal conductivity: 0.28 w / mk ( at 1000 °c )