Fumed silica supply
First, white carbon black manufacturers products gas phase white carbon black (silicon dioxide) main varieties:
HM-150 HM-200
HM-300 HM-380
Second, packaging materials and specifications:
1.10Kg/charter bag, made of PP material or kraft paper, can be transported in bulk.
2. Generally, every 20 packs are packaged into one tray, that is, 200Kg/t.
3. It can also be packaged according to the packaging form and specifications required by the customer.
HM-200 product introduction
model | HM-200 |
name | Fumed silica |
Physicochemical properties | HM-200 is a hydrophilic fumed silica with a specific surface area of 200 m2/g and is a high purity white powder. |
use | Used in coatings and paints, unsaturated polyester resins, composite resins and gels, elastomers, especially rubber and room temperature vulcanized rubbers, adhesives and sealants, printing inks, cable compounds, plant protection, food and cosmetics, etc. . |
Usage and function | This product is used as reinforcing filler in rubber; rheological and thixotropic liquid control system, adhesive, polymer, etc.; dustproof, anti-sagging, thickening; improved powder free flow and anti-caking property powder; high transparency Sex and so on. |
Gas-phase white carbon black technical indicators
Till indicator Project | HM-150 | HM-200 | HM-300 | HM-380 | Detection method |
Specific surface area(BET)m2/g | 150±30 | 200±30 | 300±30 | 380±30 | GB/T20020-2005 |
Suspension pH(4%) | 3.6~4.5 | 3.6~4.5 | 3.6~4.5 | 3.6~4.5 | ISO787-9 |
Dry reduction (drying at 105 ° C for 2 h)% | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ISO787-2 |
Reduction by burning (burning at 1000 ° C for 2 hours, based on product dried at 105 ° C for 2 h)% | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.5 | ISO3262-1 |
Sieve residue(45μm )% | ≤0.05 | ≤0.05 | ≤0.05 | ≤0.05 | ISO787-18 |
Silica content (based on products after burning)% | ≥99.8 | ≥99.8 | ≥99.8 | ≥99.8 | ISO3262-20 |
Performance density (based on product dried at 105 ° C for 2 h)g/L | 25~60 | 25~60 | 25~60 | 25~60 | ISO787-11 |
Carbon content (product based on drying at 105 ° C for 2 h)% | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | ISO3262-20 |