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Items | Spec | Test |
SiO3 | 90-95 | 95 |
loss on ignition | 02.-0.39 | 0.35 |
suspension property /% | 97-99 | 97 |
refractoriness /℃ | ≥1300 | 1400 |
PH | 6.5-8 | 7 |
Mesh | 200-350 | 325 |
specific surface area /㎡ | 19-65 | 40 |
dehydration rate | 150-450 | 350 |
specific gravity /(g/cm3) | 0.38-0.40 | 0.40 |
thermal conductivity | 0.12-0.15 | 0.13 |
heat conductivity coefficient /(W.m-1.k-1) | 0.02-0.04 | 0.03 |
most gas volume /ml | 2-5.8 | 4.3 |
Most aerated time /s | 20-25 | 23 |