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Physical parameter | | | | |||
Density (kgs/m3) | 450 | 800 | 1200 | |||
Max temp. | 1050 ℃ | 1150 ℃ | 1200 ℃ | |||
Strength | 2.4/1.0 MPa | 5.5/2.1 MPa | 8/3.5 MPa | |||
Linear shrinkage | 3% | 1% | 1% | |||
Thermal conduct. | | | | |||
@ 200 ℃ | 0.11 W/m.k | 0.16 W/m.k | 0.23W/m.k | |||
@ 400 ℃ | 0.13W/m.k | 0.18 W/m.k | 0.26 W/m.k | |||
@ 600 ℃ | 0.15 W/m.k | 0.2 W/m.k | 0.27 W/m.k | |||
Chemical parameter | | | | |||
SiO2 | 43-48 % | 43-46 % | 45-48 % | |||
Al2O3 | 10-13 % | 10-13 % | 13-16 % | |||
Fe2O3 | 4-6 % | 4-6 % | 4-6 % | |||
TiO | 1-2 % | 1-2 % | 1-2 % | |||
MgO | 16-23 % | 16-23 % | 14-20 % | |||
K2O | 7-10 % | 7-10 % | 5-8 % | |||
Na2O | 1-2 % | 1-2 % | 1-2 % | |||
LOI @ 1000 C | 4-6 % | 4-6 % | 3-5 % | |||
Standard size & Thickness | | | | |||
1000*610mm | 10-80 mm thickness | 10-80 mm thickness | 10-80 mm thickness | |||
1200*1000 mm | 30-80 mm thickness | 10-80 mm thickness | 10-80 mm thickness |