| Model: | SF880 |
|---|---|
| Brand: | JH |
| Origin: | Made In China |
| Category: | Construction & Decoration / Other Construction Materials |
| Label: | silica fume , silicon dioxide , microsilica |
| Price: |
US $170
/ MTS
|
| Min. Order: | 18 MTS |
| Live Chat: | Last Online:16 Dec, 2014 |
Specifications
The following information compares the specification of jihe Additives' microsilica (Microslurry) to that referred to in the Concrete Society working paper, Report Number 41, entitled "Microsilica in concrete", ISBN 0 946691 42.8.
1. Chemical Characteristics - Dry Powder:
| Percentage Range in Content | |||
| Item | Super-refractory
grade microsilica |
Standard grade
microsilia |
Anglo Microslurry & Powder |
| SiO2 | 94 - 98 | 86 - 94 | 93.0 |
| Al2O3 | 0.1 - 0.4 | 0.2 - 2.0 | 0.2 |
| C (total) | 0.2 - 1.3 | 0.4 - 1.3 | 0.9 |
| Fe2O3 | 0.02 - 0.15 | 0.2 - 2.5 | 0.2 |
| P | 0.03 - 0.06 | 0.03 - 0.07 | |
| P2O5 | 0.1 | ||
| Mn | 0.004 - 0.05 | 0.1 - 0.2 | |
| Mn2O3 | 0.3 | ||
| TiO2 | 0.001 - 0.02 | 0.002 - 0.02 | |
| CaO | 0.08 - 0.3 | 0.1 - 0.7 | 0.6 |
| MgO | 0.2 - 0.9 | 0.3 - 3.5 | 0.4 |
| Na2O | 0.1 - 0.4 | 0.2 - 1.5 | 0.2 |
| K2O | 0.2 - 0.7 | 0.5 - 3.0 | 0.8 |
Others below 0.1%, water approximates 1.0%
2. Physical Characteristics:
| Characteristic | Report | Microslurry |
| State | Plain powder, densified powder, micro-pelletized or slurry of undensdified | Free flowing densified powder, handles similar to cement. |
| Bulk density (densified powder) | 500 - 600 kg/m3 | Approx. 600 kg/m3 |
| Surface area
(densified) |
Minimum 15,000m2/kg
Standard grade 15 - 20,000m2/kg Refractory grade 22-25,000m2/kg |
Approx. 20,000m2/kg |
| Average particle size
(densified powder) |
Standard grade 0.16 microns
Super refractory grade 0.11 microns |
0.15 microns |
| Pack availability (densified powder) | 16kg, 25kg, 1000kg
bulk or slurry |
Slurry 50:50 with water |
