High Strength Refractory Mortar
 

Model
 

Material Clay High Alumina Corundum Light-weight
Type NF-1 NF LF—70 LF—75 GF QF
Chemical composition (%) Al2O3 38 40 70 75 80 40
SiO2 55 50 20 12 5 55
SiC≥ 3
Fe2O3 1 0.8 0.7 0.5 0.3 0.5
R2O≤ 1.4 1.2 1 0.6 0.5 1
Tie time (min)  1~2 1~3 2~3 2~3 3~5 1~5
L.O.I. (%) 6 6 5 5 4 6.5
Additional water (%) 30 28 25 25 25 30
Method of bonded Ceramic  Ceramic  Chemical Chemical Araldite Silicate
Bonding strength (MPa) 110℃×24h
After drying at
0.8 0.8 1.2 1.5 0.8 0.5
1250℃×3h
After firing at
3.0 3.0 2.0 2.0 1.5
Grain size (%) ≥1mm 4 ≤1 ≤1.5 ≤1 ≤1 ≤1.5
≤0.105mm 52 ≥75 ≥80 ≥85 ≥90 ≥70
Characteristic  

Taurus Refractory ramming mass Factory mainly engaged in professional manufacturer of development, production and sales of the refractory mixture such as melting copper, aluminum and zinc furnace lining. And supply castable refractory for copper smelting, ramming mass for molten copper,fire clay,refractory mortar, refractory cement ,refractory mixture, refractory concrete and silica sand for copper smelting.

Website: http://www.jnrefractory.com  
Contact: Mr. Niu
Tel: +86-371-64372566
Fax: +86-371-64372588
Mobile Phone: +86-15137151612
Email: info@jnrefractory.com
          gyjinniu@163.com

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