機壓 Pressing MS-80	機壓 Pressing MS-85	澆注 Slip Casting CM-80
Al2O3(%)	≥80	≥85	≥80
SiO2(%)	≤18	≤13	≤18
Fe2O3(%)	≤0.5	≤0.5	≤0.5
顯氣孔率(%) Apparent Porosity	≤17	≤17	≤23
容重(g/cm3) Bulk Density	≥2.75	≥2.85	≥2.50
荷重軟化始點T0.6(℃） Refractoriness under load	≥1680	≥1700	≥1650
冷壓強度(MPa) Cold Crushing strength	≥100	≥100	≥90

※所列技術指標均為同牌號產(chǎn)品標準磚的檢測數(shù)據(jù)
All chemical-physical data are obtained based on the corresponding refractory bricks of standard size.

用途:
玻璃熔窯上部結構、通道、成型部件。