100, 000pieces/Month
Wooden Box, Carton Box with Pallet
L/C, T/T, D/P, Western Union
CHF
Square, Circular, Triangular, Hexagonal, etc
10-60ppi
White
Metallurgy and Casting Industry
DXY
China
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 | ≥ 22 | universal material testing machine |
B axis | ≥ 2.5 | ||
C axis | ≥ 0.18 | ||
Water Absorption (%) | 18.5 ± 2 | gravimetric method | |
Softening Temperature ( ° C) | ≥ 1380 | high-temperature electric resistance furnace | |
Thermal Coefficient of Expansion (room temperature ~800 ° C) (cm/cm/ ° C) | ≤ 5.7 × 10-6 | expansion indicator NETZSCH DIL 402 PC | |
Thermal Shock Resistance (room temperature ~650 ° C) | 650 ° C 20 minutes/cycle, five cycles no cracking | air cooling |
Size(mm) | Pore shape | Pore Density | Profile Toerance | Height Tolerance |
Φ 20 × 12.5 | Δ | 80-400 | ± 0.8 | ± 0.5 |
Φ 25 × 12.5 | Δ | 80-400 | ± 0.8 | ± 0.5 |
Φ 31 × 12.5 | Δ | 80-400 | ± 1.0 | ± 0.5 |
Φ 47 × 12.5 | Δ | 80-400 | ± 1.0 | ± 0.5 |
Attention | specifications can be customized according to customer's requirements. |