alumina insulation board for furnace - alumina insulation board

Alumina bricks is widely used in carbon black furnace, gasifier, gas furnace, hydrogen furnace, and so on. - details see: https://www.buildingsupplieshub.com/alumina-insulation-board-for-furnace-10024871

Place of Origin: Henan China (Mainland)	Brand Name: Keguan	Model Number: alumina insulation board	application1: as insulating lining for chemical industry
application2: uesd in electric porcelain industry	application3: used in ceramic industry	application4: as inner lining of high temperature furnace	types: alumina insulation board
Technique: Sintered	Color: White	Porosity: Hollow	Feature: Angle Bricks, Thin Bricks
Function: Acid Resistance Bricks, Firebricks

contact supplier for alumina insulation board for furnace

The index for the alumina brick as below:

	light weight Corundum Mullite Brick	Alumina bubble brick	Alumina bubble brick	Alumina bubble brick
	light weight Corundum Mullite Brick	Alumina bubble brick	Alumina bubble brick	Alumina bubble brick
Maximum service temperature, %	1630	1680	1700	1800
Al2O3,% ≥	75	90	96	99
Fe2O3,%	0.5	0.2	0.2	0.15
Buik density g/cm3	1.2 1.5	1.4 1.7	1.4 1.7	1.4 1.7
Cold crushing strength MPa	8-10	≥ 20	≥ 20	≥ 19
bending strength MPa	4.5	5.8	5.8
After line change burning≤	0.38	-0.2	-0.2	±0.3
After line change burning≤	(1600 × 8 hour)	(1650×8hour)	(1650 ×8hour)	(1600× 8hour)
thermal expansion rate≤	0.56	0.67	0.67	8.6
thermal expansion rate≤	(1000)	(1000)	(1000)	(1300)
thermal conductivity	0.8	1	1	1
( 300±25)	0.8	1	1	1