High Strength Insulating Castables
Brand |
WGQ-0.8 |
WGQ-1.0 |
WGQ-1.5 |
WGQ-1.8 |
WMQ-1.4 |
WMQ-1.6 |
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Service Temperature ( ℃ ) |
1150 |
1200 |
1350 |
1400 |
1400 |
1500 |
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Chemical Composition Al 2 O 3 (%) |
≥ 40 |
≥ 58 |
≥ 60 |
≥ 63 |
≥ 60 |
≥ 60 |
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Bulk density (g/cm 3 ) |
0. 8 ± 0.1 |
1.0 ± 0.1 |
1.5 ± 0.1 |
1.8 ± 0.1 |
1.4 ± 0.1 |
1.6 ± 0.1 |
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Crushing Strength (MPa) |
11 0 ℃ After drying at |
≥ 4 |
≥ 8 |
≥ 15 |
≥ 25 |
≥ 4 |
≥ 5 |
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Serv.temp . × 3h |
≥ 8 |
≥ 10 |
≥ 20 |
≥ 30 |
≥ 20 |
≥ 30 |
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350 ℃ Thermal Conductivity Coefficient (W/mk) |
≤ 0.30 |
≤ 0.35 |
≤ 0.55 |
≤ 0.6 |
≤ 0.35 |
≤ 0.45 |
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Linear change rate after firing at serv. temp. × 3h |
0 ~ -1.0 |
0 ~ -1.0 |
0 ~ -0.8 |
0 ~ -0.6 |
0 ~ -0.5 |
0 ~ -0.5 |
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Characteristics |
Good high temperature performance , high strength , good volume stability , low thermal conductivity coefficient , and can be installed by casting , gunning or ramming |
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Remark |
Can change correlative items of mateials according to customers requirements |
Mullite |
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