Feature: | Wear Resistant | Name: | Insulating Fire Brick |
---|---|---|---|
Type: | Fire Clay Bricks | Size: | Customized |
High Light: | clay fire blocks,insulating fire brick |
Refractory Insulating Fire Brick Wear Resistant High Compressive Strength
Item | Unit | Wear-resistant refractory brick | |||
NMZ-1 | NMZ-2 | NMZ-3 | |||
Chemical composition | Al2O3 | % | ≥85 | ≥75 | ≥65 |
SiO2 | % | ≤15 | ≤25 | ≤35 | |
Fe2O3 | % | <1.0 | ≤1.2 | ≤1.5 | |
Density | g/cm3 | ≥2.9 | ≥2.6 | ≥2.5 | |
Compressive strength (normal temperature) | Mpa | ≥100 | ≥85 | ≥70 | |
Apparent porosity | % | ≤18 | ≤20 | ≤21 | |
Abrasion resistance | cc | ≤6 | ≤7 | ≤8 | |
Refractoriness | ℃ | ≥1790 | ≥1790 | ≥1790 | |
Linear change on heating (900℃×3h) |
% | ≤0.05 | ≤0.1 | ≤0.1 | |
Thermal conductivity(350℃) | w/m.k | ≤1.8 | ≤1.8 | ≤1.5 | |
Thermal shock stability(1100℃Water cooling) | 次 | 20 | 20 | 20 |
Contact Person: Pan Junhui
Tel: +86 15861509962
Fax: 86-0510-87441369