properties al2o3 cement in low price with 1790C refractoriness

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Product detail:

properties high  al2o3 cement in low price with 1790C refractoriness  

 

high al2o3 cement in low price

used extra alumina as the principal raw material and it is made of various additives. it widely used in the tundish permanent lining, well protects the tundish body. Base on its chemical components, it has the following characters:

1.high intensity

 

2. good thermal shock stability

 

3. long service life, over 250 times.

 

4. no peeling

 

5. corrosion-resistance

 

6. good flowability

 

7. slag penetration resistance

 

8. easy baking

 

9. not easy to broken

  

high  al2o3 cement in low price  application

1. Using in the tundish ,it can weill protecting tundish body

2. improving casting process and steel quality

3. For its long sevice life, it greatly reducs production cost

 

Physical and chemical indexes

 

Brand Items		NN38	NN42	NN45	NN55	NN65	NN75
Al2O3 % ≥		38	42	45	55	65	75
Refractoriness °C ≥		1630	1690	1710	1770	1770	1790
Modulus of rupture Mpa, ≥	110°Cx24h	1	1	1	1	15	1
	°Cx3h	1200 3	1200 3	1200 3	1400 5	1400 5	1400 5
Min Bonding time		1-3

 

 

high  al2o3 cement in low price  

 

 

high  al2o3 cement in low price production equipment

 

Testing equipment

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