|
項(xiàng)目 |
通用高鋁磚 |
高爐高鋁磚 |
熱風(fēng)爐高鋁磚 |
|
牌號(hào)TYpe |
LZ-75 |
LZ-65 |
LZ-55 |
GZ-65 |
GZ-55 |
RL-65 |
RL-55 |
|
A|2O3≤% |
75 |
65 |
55 |
65 |
55 |
65 |
55 |
|
Fe2o3%≤ |
|
|
|
20 |
|
|
|
|
耐火度℃≥Refractoriness |
1790 |
1790 |
1770 |
1790 |
1770 |
1780 |
1760 |
|
0.2MP荷重軟化開始溫度℃Start temperature of refractorinedd≥under 0.2mpa load℃ |
1520 |
1500 |
1450 |
1500 |
1480 |
1500 |
1470 |
|
重?zé)?500℃2h%linea variation when repca-tedly burned%1500℃ 2h |
+0.1 |
--0.4 |
|
0 |
--0.2 |
+0.1 |
--0.4 |
|
顯氣孔率%appaernt porositu %≤ |
23 |
23 |
22 |
19 |
19 |
24 |
24 |
|
常溫耐壓強(qiáng)度 mpacompressive strength undernormal temperature mpa ≥ |
50 |
45 |
40 |
58 |
49 |
49.0 |
44.1 |
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