Technical dataf¼saddles Typical chemical compisition Sio268-72mgo0.6 Al2o318-22cao0.6 Tio20.5-0.8%k2o3.5-4.5 Na2o0.1-0.3 Soluble fe: 0.01% Acid resistance: 99.5%(din51102 sheet 2) Typical physical properties Density g/cm³2.3-2.4 Water absorption %0-0.5 Compressive strengthn /mm²300-600 E-modulusgpa60 Mohs hardnessscale7-8 Specific heat, 20f¦-100f¦j/kgk840-920 Thermal conductivity 30f¦-100f¦w/mk1-1.5 Coefficient of thermal expension(20f¦-600f¦)10-6k-14-7 Heat resistanceup to f¦1000 Specific properties of saddles Sizepacking density kg/m²spec, surface, m²/m³void space, %numbers per m³ 1/2fª77854066310000 3/4fª68233857125000 1fª6162507450000 1 ½5831647518000 2fª526142767000 3½fª47060601504 Packing in carbon box or plastic bag or iron barral
