loyiha Mullite Brick Sillimanite Brick Asosiy ingredientlar Mullit (3Al2O2 2SiO2), 65% uchun 75% alumina Sillimanite minerals, yuqori haroratli kalsinatsiyadan keyin, are transformed into mullite and free silica Refractoriness 1790℃ above 1770～1830℃ Load softening start temperature 1600～1700℃ 1500～1650℃ Compressive strength 70～260MPa better Thermal shock resistance good better Manufacturing method Sintering and electrofusion High temperature firing method and […]