ASTM C 1240 уплотненный черный серый микрокремнезем для морского бетона и цемента 92% с SGS
- Категория товара: Cement >>>
- Поставщик (Оптовый магазин): Quanzhou,Winitoor,Import,&,Export,Co.,Ltd.
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Характеристики
| SF92 | # | CHEMICAL ANALYSIS | |||||||||
| PARAMETER | STANDARD | Result | ASTM C 1240-05 | ||||||||
| 1 | SiO2 (%) | 92%min | 92.88% | 90%min | |||||||
| 2 | Fe2O3(%) | 2%max | 0.18% | 3%max | |||||||
| 3 | Al2O3(%) | 2%max | 0.19% | 6%max | |||||||
| 4 | CaO(%) | 2%max | 0.08% | ------ | |||||||
| 5 | Na2O | 2%max | 0.35% | ------ | |||||||
| 6 | Mositure(%) | 2%max | 0.50% | ------ | |||||||
| 7 | LOI(%) | 3.%max | 2.40% | ------ | |||||||
| SGS certificate with ASTM-C1240 Standard | # | PHYSICAL PARAMETERS | |||||||||
| PARAMETER | STANDARD | Result | ASTM C 1240-05 | ||||||||
| 1 | ParticleSize +/-0.045mm | 99%min | 99.87% | ------ | |||||||
| 2 | Oversize variation % point from average | (%) | 2.01% | 5%max | |||||||
| 3 | Pozzolanic Activity Index (7 days) | ≥110% | 1.2 | 105%min | |||||||
| 4 | Surface Area | 15000-27000m2/kg | 22630m2/kg | 15000m2/kgmin | |||||||
| 5 | Bulk Density(Densified) | 550-700kg/m3 | 650kg/m3 | 650kg/m3 | |||||||
| Brief Introduction | Microsilica fume (scientific name "silica fume," Microsilica or Silica Fume), in the smelting of ferrosilicon and industrial silicon, silicon through the flue gas emitted by steam oxidation, the specially designed filter collected the amorphous powder like silica (SiO 2). Micro-silica fume average 0.1-0.15 μ m in diameter, the size of several cement average 1.0%. Surface area for the 15-27 m 2 / g, with strong surface activity. | ||||||||||
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