Korundsteen

Product advantages: high strength, high temperature resistance, corrosion resistance, and good chemical stability.

beskrywing van die produk

High-purity corundum bricks use tabular corundum and fused corundum as the main raw materials, through scientific and reasonable grading, with excellent performance additives, high-pressure molding, high-temperature sintering, and the refractory products are characterized by high strength and high temperature resistance. Corrosion resistance and good chemical stability.

Fisiese en chemiese aanwysers

projek	Korundsteen van hoë suiwerheid DL-99	Corundum mullite baksteen DL-95	Corundum mullite baksteen DL-90	Corundum mullite baksteen DL-80
AI2O3% ≥	99	95	90	80
SiO2 ％ ≤	0.3	3.0	9.0	18
Fe2O3 ％ ≤	0.2	0.2	0.5	0.5
R2O% ≤	0.3	0.6	0.6	0.4
Grootmaat digtheid/(g/cm³)	3.0	2.9	2.85	2.7
Druksterkte by kamertemperatuur/Mpa≥	75	100	100	60
Vuurvastheid ℃	1790	1790	1790	1790
Laai versagting begin temperatuur 0.2Mpa ℃ ≥	1700	1700	1700	1650
Verandering van lynverandering (1600 ℃ × 3h)% ≤	0.2	0.2	0.2	0.3
Termiese stabiliteit keer 1100 ℃ waterkoeling ≥	6	10	10	20