Name: | High Alumina Refractory | Type: | Pouring Material |
---|---|---|---|
Feature: | Wear Resistant | Shape: | Powder |
High Light: | solid clay bricks,70 alumina fire brick |
High Strength High Alumina Refractory Wear Resistant Pouring Material
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 (1000℃×3h) |
% | ≤-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 |
Contact Person: Pan Junhui
Tel: +86 15861509962
Fax: 86-0510-87441369