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Refractory bricks, refractory castables, refractory cement, thermal insulation cotton
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Product Description
Physical and chemical indicators
project | index | |||||||||
N-1 | N-2a | N-2b | N-3a | N-3b | N-4 | N-5 | N-6 | |||
Refractory degree, ℃ | ≥1750 | ≥1730 | ≥1730 | ≥1710 | ≥1710 | ≥1690 | ≥1670 | ≥1580 | ||
Softening start temperature under load, ℃, [0.2MPa×0.6%] | ≥1400 | ≥1350 | ≥1320 | ≥1300 | ||||||
Reheat line change rate, % | 1400℃×2h | +0.1 -0.4 | +0.1 -0.5 | +0.2 -0.5 | ||||||
1350℃×2h | +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 | ||||||
Apparent porosity | ≤22 | ≤26 | ≤24 | ≤24 | ≤26 | ≤24 | ≤26 | ≤28 | ||
Normal temperature compressive strength, MPa | ≥30.0 | ≥20.0 | ≥25.0 | ≥20.0 | ≥15.0 | ≥20.0 | ≥15.0 | ≥15.0 | ||
