Stock code
839391
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Fireclay brick, High alumina brick
Fireclay brick, High alumina brick
Classification:
Product Introduction
Physical and Chemical Indexes of Fireclay brick
| Item | PN-1 | PN-2 | PN-3 | |||||
| Apparent porosity (%);≤ | 24 | 26 | 28 | |||||
| Cold compressive strength (MPa);≥ | 30 | 25 | 20 | |||||
| Refractoriness under load 0.2MPa load (℃);≥ | 1300 | 1250 | 1200 | |||||
| Permanent linear change on heating (%) | 1350 ℃ × 2h | -0.5~ 0.1 | -0.5~ 0.2 | |||||
Physical and chemical indexes of High alumina brick
| Item | LZ-80 | LZ-75 | LZ-65 | LZ-55 | LZ-48 | |||
| Al₂O₃ (%);≥ | 80 | 75 | 65 | 55 | 48 | |||
| Apparent porosity (%);≤ | 21 | 24 | 24 | 22 | 22 | |||
| Cold compressive strength (MPa);≥ | 70(60) | 60(50) | 50(40) | 45(40) | 40(35) | |||
| Refractoriness under load 0.2MPa load (℃);≥ | 1530 | 1520 | 1500 | 1450 | 1420 | |||
| Permanent linear change on heating (%) | 1500 ℃ × 2h | -0.4～ 0.2 | ||||||
| 1450 ℃ × 2h | ---- | -0.4～ 0.1 | ||||||
Special-shaped brick indicator in parentheses
Packing: wooden
Key words:
Fireclay brick, High alumina brick
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