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窑车耐火砖以燧石粘土、莫来石、堇青石为主要原料，具有抗热震性能好、热膨胀系数低的特点。因此使用寿命比普通耐火砖长。
特点:
1.导热性低，蓄热性低
2.隔热性能好，可用于薄壁结构
3.氧化铝含量高，耐火度好
4.可以加工成特殊的形状
|
Item |
SK-30 |
SK-32 |
SK-34 |
SK-36 |
SK-38 |
|
AL2O3%(min) |
30-35% |
35-38% |
38-42% |
50-55% |
65-70% |
|
Fe2O3%(max) |
3.5 |
3.2 |
3.1 |
2.5 |
2.3 |
|
Refractoriness 耐火度 |
≥1630℃ |
≥1660℃ |
≥1700℃ |
≥1730℃ |
≥1780℃ |
|
Refractoriness under load,0.2MPa,(℃) 荷软 |
≥1270 |
≥1350 |
≥1350 |
≥1380 |
≥1400 |
|
Apparent porosity(%) 气孔率 |
24 |
24 |
23 |
22 |
20 |
|
Bulk density(g/cm³) 体密 |
2.00-2.05 |
2.05-2.1 |
2.1-2.15 |
2.15-2.25 |
2.25-2.35 |
|
Cold crushing strength(MPa) 抗压 |
≥25 |
≥30 |
≥35 |
≥45 |
≥50 |
|
Thermal expansion at 1000℃(%) 热膨胀系统 |
≤0.6 |
≤0.55 |
≤0.55 |
≤0.4 |
≤0.4 |
|
Package：fumigation pallet 包装：熏蒸托盘 |
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Size: Can be customized according to customer requirements 尺寸：可根据客户要求定制 |
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