Corundum Brick

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

opis proizvoda

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.

Fizički i hemijski pokazatelji

projekt	Korundna cigla visoke čistoće DL-99	Cigla od korund mulitaDL-95	Cigla od korund mulitaDL-90	Cigla od korund mulitaDL-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
Zapreminska gustina/(g/cm³)	3.0	2.9	2.85	2.7
Tlačna čvrstoća pri sobnoj temperaturi/Mpa≥	75	100	100	60
Vatrostalnost ℃	1790	1790	1790	1790
Početna temperatura omekšavanja opterećenja 0.2Mpa ℃ ≥	1700	1700	1700	1650
Promjena linije ponovnog grijanja (1600 ℃ × 3h)% ≤	0.2	0.2	0.2	0.3
Termička stabilnost 1100 ℃ vodeno hlađenje≥	6	10	10	20