insulating firebrick TK23-TK26-TK28-TK30-TK3000

TK Insulating Firebrick is made from high purity refractory clays and other raw materials, with light weight and mini-porosity well distributed. Each brick is machined to precise tolerances on all six faces. Characteristic: - Low thermal conductivity - Low heat storage - High spalling resistance - High hot compressive strength - Low iron oxide and alkali flux content - Accurate dimensions Application: - Hot face refractory lining for furnaces, kilns, flues, refining vessels and heaters, regenerators, gas producers and similar high temperature industrial equipment. - Back up insulation for furnaces, kilns and similar high temperature industrial equipment. TK-23TK-26TK-28TK-30TK-3000Classification temperature ( °C)12601425153815501600Bulk density (Kg/m3)52078088010001050Reheat shrinkage ( % ) JIS R2613 (°C*8hs)0.20 (1300)0.40 (1400)0.40 (1500)0.38 (1550)0.38 (1600)Cold crushing strength (ASTM C93, MPa)1.11.62.12.02.2Modulus of rupture (ASTM C93, MPa)0.81.21.51.82.0Thermal expansion at 1000 ° C (%) (JIS R2617, °C)0.460.470.480.480.48Thermal conductivity Kcal/mh °C (W/mK) ,ASTM C201,Mean 400 °C0.150.260.31 0.42 0.45Mean 600 °C0.170.290.34 0.440.47Mean 800°C0.190.320.36 0.45 0.49Mean 1000°C 0.21 0.34 0.38 0.48 0.52Chemical analysis - JIS R2216Al2O34156657375SiO25339322522Fe3O20.80.70.60.50.5CaO0.7 0.4 0.30.20.1Standard Packing230*114*65 / 75, 10pcs / pack for standard size