Brand\Guarantee	GA1-70
Al2 O3 (%)≥	70
Apparent Porosity (%) ≤	20
Cold Crushing Strength (Mpa) ≥	70
Load softening starting temperature of 0.6% (℃) ≥	1500
Reheating Linear rate of change (%) 1500 ℃ × 2h	0~-0.3
Thermal shock stability, water-cooled 1100 ℃ ≥ (times)	30
Refractoriness (℃) ≥	1780