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Chrome zirconium corundum brick

The product is added with special materials such as zirconia on the basis of chrome corundum bricks, and forms closed micro pores and micro cracks inside the product at high temperature, which makes the product have high strength, wear resistance, erosion resistance, spalling resistance and other characteristics.

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The product is added with special materials such as zirconium oxide on the basis of chrome corundum bricks, and closed micro-pores and micro-cracks are formed inside the product at high temperature, so that the product has the characteristics of high strength, wear resistance, erosion resistance, peeling resistance, etc. It can be used at temperatures as high as 1700 ℃, with excellent structural elasticity and erosion resistance, and is especially suitable for rotary hazardous waste incinerators with serious acid and alkali corrosion. It is used by waste incineration rotary kilns of large environmental protection enterprises such as Beijing Runtai, Yongqing Environmental Protection, Zhongtian Environmental Protection, and China Energy Conservation, and is well recognized and praised by users.

Brand	HTGZC-5	HTGZC-10
Index	80~90	80~90
Al₂O₃ (%)	80~90	80~90
Cr₂O₃ (%)≥	5	10
Fe₂O₃ (%)≤	0.8	0.8
zroon (%)	2~5	2~5
Bulk density B · D(g/cm³) ≥	3.20	3.30
The apparent porosity A · P(%)≤	16	15
Compressive strength C · C · S(MPa) ≥	100	120
Change of permanent heating line P · L · C(1600 ℃× 3h)(%)	±0.1	±0.1
Thermal shock resistance T · S · R(950 ℃ air cooling times) ≥	30	40
Temperature Polling Resistance (cm³)≤	6	5
Thermal expansion rate T · E(1000 ℃)(%)	0.9±0.1	1.0±0.1
Softening temperature of 0.2MPa load R · U · L(To ℃≥)	1700	1700
Thermal conductivity T · C(1000 ℃)[W/(m · K)]	2.5±0.2	2.5±0.2