高铝质耐火泥
- 商品名称: 高铝质耐火泥
- 产品描述
-
高铝质耐火泥浆理化指标
项目 Items
指标 Indicators
LN—55
LN—65
LN—75
LN—65P
GN—75P
GN—85P
GN—90P
ω(Al₂O₃)(%)不小于
ω(Al₂O₃)(%)not less than
55
65
75
65
75
85
90
耐火度(℃)不低于
Refractoriness (℃ ) not less than
1760
1780
1780
1780
1780
1780
1800
常温抗折粘接强度
(MPa)
不小于
Cold bond strength (MPa) not less than
110℃干燥后
After drying at 110℃
1.0
1.0
1.0
2.0
2.0
2.0
2.0
1400℃ ×3h 烧后
After firing at 1400℃ ×3h
4.0
4.0
4.0
6.0
6.0
—
—
1500℃ ×3h 烧后
After firing at 1500℃ ×3h
—
6.0
6.0
0.2MPa 荷重软化温度 Ti/℃不低于
0.2MPa refractoriness under load Ti/℃ not less than
—
1400
1600
1650
加热永久线变化率(%)
Permanent linear change
rate after heating (%)
1400℃ ×3h 烧后
After firing at 1400℃ ×3h
-5 ~ +1
—
1500℃ ×3h 烧后
After firing at 1500℃ ×3h
—
-5 ~ +1
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
< 0.075 ㎜,不小于 < 0.075mm, Not less than
50
40
注:如有特殊要求,粘接时间由供需双方协商确定。 Note: Bonding time can be negotiated if special requirements exist.
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