Corundum Brick

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

produktbeskrivelse

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.

Fysiske og kemiske indikatorer

projekt	Korundsten af høj renhed DL-99	Corundum mullit mursten DL-95	Corundum mullit mursten DL-90	Corundum mullit mursten 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
Bulktæthed/(g/cm³)	3.0	2.9	2.85	2.7
Trykstyrke ved stuetemperatur/Mpa≥	75	100	100	60
Ildfasthed ℃	1790	1790	1790	1790
Indlæsning af blødgøringsstarttemperatur 0.2Mpa ℃ ≥	1700	1700	1700	1650
Genopvarmning af linjeændring (1600 ℃ × 3h)% ≤	0.2	0.2	0.2	0.3
Termisk stabilitet gange 1100 ℃ vandkøling ≥	6	10	10	20