Matting Agent For Wood Paint/Coil Coating
Synonyms: Matting Agent Silica,White Carbon Black,Precipitated Silica,Silica,Silicon Dioxide,Reinforcing filler...
Type: HF-620L
Chemical Properties
High surface area, High pore volume,Good matting.
Physical Properties:
White powder form superfine silica,which is made by specific sol-gel method process.It can be dissolved by NaOH,HF. Other kinds of acid, water and organic solvents cannot dissolve the product. Resistance to high temperature, no combustion,good insulation, odourless and good extinction properties.
Chemical Data
Item Type | HF-410 | HF410L | HF-620 | HF-620L | HF-630 | HF-630L | HF-650L |
Content of sio2(dry based) %, | ≥99.0 | ≥99.0 | ≥99.0 | ≥99.0 | ≥99.0 | ≥99.0 | ≥99.0 |
Porosity ml/g | 1.8-2.0 | 1.8-2.0 | 1,8-2.0 | 1.8-2.0 | 1.8-2.0 | 1.8-2.0 | 1.8-2.0 |
Oil absorption, g/100g | 270-320 | 270-320 | 270-320 | 270-320 | 270-320 | 270-320 | 270-320 |
Particle Size, um(Malvent,D50) | 3-3.5 | 3-3.5 | 4-4.5 | 4-4.5 | 5-5.5 | 5-5.5 | 6-7 |
Loss on drying(105℃,2hrs),% | ≤5.0 | ≤5.0 | ≤5.0 | ≤5.0 | ≤5.0 | ≤5.0 | ≤5.0 |
Ignition loss(1000℃,2Hrs),% | ≤7.0 | ≤7.0 | ≤7.0 | ≤7.0 | ≤7.0 | ≤7.0 | ≤7.0 |
Whiteness,% | ≥90.0 | ≥90.0 | ≥90.0 | ≥90.0 | ≥90.0 | ≥90.0 | ≥90.0 |
PH(5% Liquor) | 6-7 | 6-7 | 6-7 | 6-7 | 6-7 | 6-7 | 6-7 |
Surface Treatment | NONE | Organic | NONE | Organic | NONE | Organic | Organic |
Application
It is especially used for automobile surface paint, metal surface,wood painting,leather,high-end furniture and decorative plates.