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YANGQUANMETALS & MINERALS
DENSE FIRECLAY AND HIGH ALUMINA REFRACTORY CASTABLE
Product profile:Silicon Nitride
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DENSE FIRECLAY AND HIGH ALUMINA REFRACTORY CASTABLE |
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Classification |
FIRECLAY BONDED |
CEMENT BONDED |
LOW CEMENT BONDED |
PHOSPHATE BONDED |
SODIUM SILICATE BONDED |
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Goods Brand |
NL70 |
NL60 |
NL45 |
GL85 |
GL70 |
GL60 |
GL50 |
GL42 |
DL80 |
DL60 |
LL75 |
LL60 |
LL45 |
LBN40 |
|
Al2O3(%) min |
70 |
60 |
45 |
85 |
70 |
60 |
50 |
42 |
80 |
60 |
75 |
60 |
45 |
40 |
|
CaO(%) max |
*** |
2.5 |
2.5 |
*** |
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Refractoriness(℃) min |
1760 |
1720 |
1700 |
1780 |
1720 |
1700 |
1660 |
1640 |
1780 |
1740 |
1780 |
1740 |
1700 |
*** |
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Testing Temperature For Shrinkage after Reheating less than +/-1% (℃) min |
1450 |
1400 |
1350 |
1500 |
1450 |
1400 |
1400 |
1350 |
1500 |
1500 |
1500 |
1450 |
1350 |
1000 |
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Cold crushing strength (MPa) after drying at 110 ℃ min |
10 |
9 |
8 |
35 |
35 |
30 |
30 |
25 |
40 |
30 |
30 |
25 |
20 |
20 |
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Bending strength (MPa) after drying at 110 ℃ min |
2 |
1.5 |
1 |
5 |
5 |
4 |
4 |
3.5 |
6 |
5 |
5 |
4 |
3.5 |
*** |