理化指标：
|
牌号 指标 |
DRL-135 |
DRL-145 |
DRL-150 |
DRL-165 |
DRL-155 |
DRL-48 |
||
|
Al2O3, % ≥ |
70 |
75 |
80 |
65 |
55 |
48 |
||
|
耐火度, ℃ ≥ |
1790 |
1790 |
1790 |
1790 |
1770 |
1750 |
||
|
显气孔率, % ≤ |
20 |
20 |
19 |
24 |
24 |
24 |
||
|
常温耐压强度,MPa ≥ |
65 |
70 |
80 |
49 |
44.1 |
39.2 |
||
|
重烧线变化率, % ≥ |
±0.1 |
±0.1 |
±0.1 |
+0.1~-0.4 |
+0.1~-0.4 |
+0.1~-0.4 |
||
|
1450℃x2h |
1500℃x2h |
1450℃x2h |
||||||
|
0.2MPa荷重软化开始温度, ℃ ≥ |
1500 |
1550 |
1650 |
1500 |
1470 |
1420 |
||
|
高温蠕变率, % ≤ |
0.6 |
0.6 |
0.7 |
- |
- |
- |
||
|
1350℃×50h |
1450℃×50h |
1500℃×50h |
- |
- |
- |
|||
| 수입신고 1USD |
구매/결제대행 1CNY |
TT송금 1CNY |
|---|---|---|
| 7.16 CNY | 193.76 KRW | 0.145 USD |
