Quantity: | |
---|---|
Shanghai, China
100, 000pieces/Month
L/C, T/T, Western Union
CFA
Square, Circular, Triangular, Hexagonal, etc
10-60ppi
White
DXY
Wooden Box, Carton Box with Pallet
China
8421999000
1580< Refractoriness< 1770
Long Time Materials
Refractory Material
Square, Circular, Triangular, etc
Mullite, Cordierite, High Alumina, etc
50*50, 40*40, 65*65, 50*75, etc
Product Description
Item | Value | Test Method | |
Chemical Composition (%) | Al2O3 | ≥90% | Chemical titration |
SiO2 | ≤8% | Gravimetric Method | |
Other | ≤2% | Chemical Titration | |
Compressive Strength (Mpa) | A axis | ≥2.2 | Universal Material Testing Machine |
B axis | ≥2.5 | ||
C axis | ≥0.18 | ||
Water Absorption (%) | 18.5±2 | Gravimetric Method | |
Softening Temperature (celsius degree) | ≥1380 | High-temperature Electric Resistance Furnace | |
Thermal Coefficient of Expansion (room temperature ~800celsius degree) (cm/cm/celsius degree) | ≤5.7x10-6 | Expansion Indicator NETZSCH DIL 402PC | |
Thermal Shock Resistance (room temperature ~650celsius degree) | 650celsius degree 20 minutes/cycle, five cycles no cracking | Air Cooling |