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Feature: | Good Thermal Shock Resistance | Name: | High Alumina Refractory |
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Type: | Alumina Fire Brick | Product: | High Aluminum Ramming Mix Materials |
Highlight: | solid clay bricks,alumina fire brick |
High Aluminum Refractory Ramming Mass Materials Manufacturers
High Aluminum Ramming Mix materials are made of bauxite clinker as aggregate and powder material, added refractory clay, etc., and then added in binders with proper proportion, construction by manual or mechanical ramming application, after construction, heating is applied to harden it and make it form to lining, so it can resist slag erosion.
I. Characteristics of High aluminum ramming mix :
1. Good thermal shock resistance.
2. High temperature resistance.
3. Softening temperature under load is high.
4. Strong slag erosion resistance.
Physical and chemical indicators of High aluminum ramming mix
Alumina Fire Brick High Alumina Refractory Ramming Mass Materials Yellow
Item | Unit | Wear-resistant pouring material | |||
NWJ-1 | NWJ-2 | NWJ-3 | |||
Chemical composition | Al2O3 | % | ≥80 | ≥70 | ≥60 |
SiO2 | % | ≤15 | ≤25 | ≤35 | |
Fe2O3 | % | ≤1.0 | ≤1.3 | ≤2.0 | |
Density | g/cm3 | ≥2.7 | ≥2.6 | ≥2.5 | |
Compressive strength | 110℃×24h | Mpa | ≥90 | ≥70 | ≥55 |
1000℃×3h | Mpa | ≥100 | ≥80 | ≥60 | |
Antiflex strength | 110℃×24h | Mpa | ≥12 | ≥8 | ≥8 |
1000℃×3h | Mpa | ≥12 | ≥10 | ≥8 | |
Linear change on heating | % | ≤-0.3 | ≤-0.3 | ≤-0.5 | |
Abrasion resistance | cc | ≤6 | ≤8 | ≤12 | |
Refractoriness | ℃ | ≥1770 | ≥1750 | ≥1730 | |
Thermal shock stability(1100℃Water cooling) | Times | 25 | 25 | 25 |
Factory show
Contact Person: Pan Junhui
Tel: +86 15861509962
Fax: 86-0510-87441369