粘土质耐火泥
- 商品名称: 粘土质耐火泥
- 产品描述
-
粘土质耐火泥浆理化指标
项目?Items
指标???Indicators
NN—30
NN—38
NN—42
NN—45A
NN—45B
耐火度(℃)不低于 ??Refractoriness?(℃ ) not?less?than
1630
1690
1710
1730
1730
Al?O?(%)不小于???Al?O?(%)not?less?than
30
38
42
45
45
冷态抗折粘结强度
(MPa)
Cold?flexural?bond?strength
(MPa)
110℃干燥后???不小于
After drying at 110℃ , Not less than
1.0
1.0
1.0
1.0
2.0
1200℃?×3h 烧后???不小于
After?firing?at?1200℃?×3h, Not?less?than
3.0
3.0
3.0
3.0
6.0
0.2MPa 荷重软化温度 Ti/℃ 不低于
0.2MPa?refractoriness?under?load?Ti/℃ not?less?than
—
1200
线变化率(%)
Linear?change?rate?(%)
1200℃?×3h 烧后 ??After firing at?1200℃?×3h
+1?~?-3
—
1300℃?×3h 烧后 ??After firing at?1300℃?×3h
—
+1?~?-5
粘接时间(min) ???Bonding?time?(min)
1?~ 3
粒度(%)
Granularity?(%)
-1.0?㎜
100
+0.5 ㎜ ???不大于???+0.5mm ??Not greater than
2
-0.074 ㎜ ??不小于 ???-0.074mm ??Not less than
50
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