Customization: | Available |
---|---|
Feature: | Long Time Materials |
Refractoriness (℃): | 1580< Refractoriness< 1770 |
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Material | Applied Metal | Performance |
Medium aluminum-Mullite | Ferroalloy | High deslagging performance |
High aluminum-Mullite | low carbon steel | For high temperature ( C > 1600 ) Degree C |
Alumina, Cordierite | Aluminum, Iron, Copper, Zinc etc. |
Good corrosion resistance |
Item | Value | Test Method | |
Chemical Composition (%) |
Al 2 O 3 | ≥ 90% | chemical titration |
SiO 2 | ≤ 8% | gravimetric method |
|
Other | ≤ 2% | chemical titration | |
Compressive Strength (Mpa) | A axis | ≥ 20 | universal material testing machine |
B axis | ≥ 2.5 | ||
C axis | ≥ 0.18 | ||
Water Absorption (%) | 18.5 ± 2 | gravimetric method |
|
Softening Temperature ( Degree C) | ≥ 1380 | high-temperature electric resistance furnace |
|
Thermal Coefficient of Expansion (room temperature ~800 Degree C) (cm/cm/ Degree C) |
≤ 5.7 × 10 -6 | expansion indicator NETZSCH DIL 402 PC |
|
Thermal Shock Resistance (room temperature ~650 Degree C) |
650 Degree C 20 minutes/cycle, five cycles no cracking |
air cooling |
Size(mm) | Pore Shape | Pore Density | Dia Tolerance |
Height Tolerance |
Φ 20 × 12.5 | triangle | 80-400 | ± 0.8 | ± 0.5 |
Φ 25 × 12.5 | triangle | 80-400 | ± 0.8 | ± 0.5 |
Φ 31 × 12.5 | triangle | 80-400 | ± 1.0 | ± 0.5 |
Φ 47 × 12.5 | triangle | 80-400 | ± 1.0 | ± 0.5 |
Attention | specifications can be customized according to customer's requirements. |