High Alumina Refractory Mortars
Mark & model：LN-55A、LN-55B、LN-65A、LN-65B、LN-75A、LN-75B、LN-85B、GN-85B
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HIGH ALUMINA REFRACTORY MORTARS |
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Goods Brand |
LN-55A |
LN-55B |
LN-65A |
LN-65B |
LN-75A |
LN-75B |
LN-85B |
GN-85B |
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Refractoriness (℃) min |
1770 |
1770 |
1790 |
1790 |
1790 |
1790 |
1790 |
1790 |
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Al2O3(%) min |
55 |
55 |
65 |
65 |
75 |
75 |
85 |
85 |
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Cold bending strength (MPa)min |
after drying at 110℃ |
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after burning at 1400℃x3h |
*** |
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after burning at 1500℃x3h |
*** |
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Refractriness under load 0.2 Mpa T2.0 (℃) min |
*** |
1300 |
*** |
1400 |
*** |
1400 |
*** |
1650 |
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Shrinkage after reheating (%) max |
after burning at 1400℃x3h |
+1~-5 |
*** |
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after burning at 1500℃x3h |
** |
+1~-5 |
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Bonding time (min) |
1~3 |
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Size (%) |
-1.0mm |
100 |
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+0.5mm max |
2 |
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-0.074mm min |
50 |
40 |
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