98% Al2O3 Furnace Corundum Brick, High Alumina Brick, Refractory Brick

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Model:
GY-99A
Brand:
Dezhen
Code:
690220

Product Description

Refractory brick Features and advantages:
1.High refractoriness,
2.High-temperature endurable.
3.Good corrosion resistance.
4.Good spalling resistance and wear resistance.
5.Good thermal shock resistance.
6.High mechanical strength.
7.High-temperature creep rate is low.
8.Good volume stability at high temperature.
Product index:

Item	Unit	Corundum brick
		GY-99A	GY-99B	GY-98	GY-95
Al2O3 ≥	%	99	99	98	95
SiO2 ≤	%	0.15	0.2	0.5	-
Fe2O3 ≤	%	0.1	0.15	0.2	0.3
Apparent porosity ≤	%	19	19	19	20
Bulk density ≥	g/cm3	3.20	3.15	3.15	3.10
Cold crushing strength ≥	Mpa	80	80	80	100
Refractoriness under load ≥	ºC	1700	1700	1700	1700
Permanent linear change	%	±0.2	±0.2	±0.2	±0.3

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