High alumina brick

Brand:aa

Product detail:

High alumina brick

 

 Produced with unique advanced technology, the clay and high alumina heat insulating bricks possess the characteristics of high intensity for pressure and good thermal shock stability. The use of the bricks can reduce the heat capacity of kiln walls and promote the heat efficiency of kilns.

 

 

 

Physical and chemical index 

 

Brand	Clay insulating bricks				High Alumina insulating bricks
	NG-0.5	NG-0.6	NG-0.8	NG-1.0	LG-0.6	LG-0.8	LG-1.0
Bulk density g/cm3       ≤	0.5	0.6	0.8	1	0.6	0.8	1
Crushing strength Mpa   ≥	1.5	2	2.5	3.4	1.96	2.94	4
The experimental temperature of linear change ≤2%	1250	1300	1350	1350	1350	1400	1450
Thermal conductivity 350±25(W/m.k)                 ≤	0.18	0.25	0.35	0.5	0.25	0.032	0.45
Refractoriness under load	1160	1250	1280	1300	1300	1350	1380
Al2O3 % ≥	35	40	42	42	50	52	52
Fe2O3 % ≥	2.5	2.5	2	2	1.8	1.6	1.5
Maximun erice temperature	1150	1200	1280	1300	1300	1350	1380

 

 

Application

The product is applicable for constructing industrial kilns and inner lining of kilns.

 

  

 

 

 

 

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Contact person: Mary

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