| CAS No.: | 112945-52-5 |
|---|---|
| Formula: | Sio2 |
| EINECS: | 238-878-4 |
| Classification: | Dioxide Silica |
| Appearance: | Powder |
| Grade Standard: | Industrial Grade |
| Samples: |
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| Customization: |
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Audited Supplier Description
It is a kind of hydrophilic and high purity white colloidal powder. Due to its small particle size, specific surface area is big, therefore has excellent surface adsorption power, good dispersion performance, and good heat resistance, etc., With its excellent properties, it can be used as reinforcing filler in elastomers, excipient and carrier, rheology and thixotropic control of liquid systems, binders, polymers, etc. And used as anti-setting, thickening, anti-sagging agent, improvement of free flow and anti-caking characteristics of powders.
Technical Parameter:
| Properties | Unit | Typical Value | Testing Method |
| Silica Content(Based on ignited material) | % | ≥99.8 | GB/T 20020 |
| PH value in 4% dispersion | - | 3.9~4.5 | GB/T 20020 |
| Specific Surface Area(BET) | m2/g | 200±20 | GB/T 20020 |
| Loss on drying(2 hours at 105ºC) | % | ≤2.0 | GB/T 20020 |
| Loss on ignition (2 hours at 1000ºC) (based on material dried for 2 hours at 105ºC) |
% | ≤2.0 | GB/T 20020 |
| Sieve Residue(45μm) | % | ≤0.04 | GB/T 20020 |
| Tamped Density (Based on material dried at 105ºC for 2 hours) |
g/L | 40~60 | GB/T 20020 |
Characteristics
HM-200 is a hydrophilic fumed silica with a specific surface area of 200m2/g.
Properties
Reinforcing filler in elastomers
Rheology and thixotropy control in liquid systems
Anti-settling, thickening and anti-sagging agent
Free flow aid and anti-caking aid for powders
Applications
Coatings & Paintings
UPR, HTV&RTV Silicon Rubber
Adhesives and Sealants
Printing Ink
Fertilizer
Cosmetics
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