PRODUCT NAMEClassification Group
(ISO 2245)
Classification 
at oC
Density
(ASTM C-134) kg/m3
Cold Crushing
(ASTM C-93-84) Mpa
Modulus of Rapture
(ASTM C-93-84) Mpa
Specific Heat
(KJ/kgK) at 1000 oC
Thermal Conductivity
(ASTM C-182) W/mK

at 400oC
Thermal Conductivity
(ASTM C-182) W/mK

at 600oC
Thermal Conductivity
(ASTM C-182) W/mK

at 800oC
Thermal Conductivity
(ASTM C-182) W/mK

at 1000oC
Thermal Conductivity
(ASTM C-182) W/mK

at 1200oC
Thermal Conductivity
(ASTM C-182) W/mK

at 1400oC
Chemical Analysis(%) Al2O3Chemical Analysis(%) SiO2 Chemical Analysis(%) Fe2O3 Chemical Analysis(%) TiO2Chemical Analysis(%) CaOChemical Analysis(%) MgOChemical Analysis(%) Na22O+K2O
GR 23125-0.5-L12604801.21.01.050.120.140.170.19--37.044.40.71.21.20.31.1
GR 25135-0.8-L13508002.5--0.240.280.320.37--50.0-0.9--0.2-
GR 25 A135-0.8-L13508202.5--0.240.280.320.37--34.057.01.2----
GR 25 B135-0.913509004.0--0.270.300.350.40--34.057.01.2----
GR 25 CA135-1.1135011005.4--0.320.360.400.45--34.057.01.2----
GR 25 HS135-1.1135011006.03.1-0.320.360.400.45--50.0-0.9--0.2-
GR 26140-0.8-L14308001.61.51.100.250.270.300.330.35-58.039.10.70.10.10.21.7
GR 26 HS140-0.9-L14308704.0--0.290.320.350.380.41-54.0-0.8--0.2-
GR 28150-0.9-L15408902.11.81.100.300.320.340.360.38-67.131.00.60.10.10.10.9
GR 30160-1.0-L165010202.22.11.100.380.390.400.410.42-73.425.10.50.10.1tr0.9
GR 32170-1.2-L176012503.52.11.100.490.500.510.530.560.6077.021.50.3trtr0.10.9