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Silica Siwin-QS200
Siwin
Silica Siwin-QS200
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Silica Siwin-QS200
hydrophilic fumed silica
Characteristics
QS-200 is is hydrophilic fumed silica with specific surface area around 200m2/g-
Applications
Coatings & Paintings Film & UPR
HTV&RTV Silicon Rubber
Adhesives & Sealants Printing Ink
Properties
•Reinforcing filler for elastomers
•Rheology control and thixotropic agent
•Anti-settling, anti-sagging and thickening agent
•Free flow aid and anti-caking aid for powders
•High transparency
Physical & Chemical Data
Properties | Unit | Standard Value | Testing Method |
Specific surface area (BET) | m2/g | 200±20 | GB/T 20020 |
pH in 4% dispersion | 3.9 ~ 4.5 | GB/T 20020 | |
Loss on drying (2 hour at 105°C) | % | <2.0 | GB/T 20020 |
Loss on ignition (2 hour at 1000° based on material dried for 2 hours at 105°C) | % | <2.0 | GB/T 20020 |
Sieve residue(45pm) | mg/kg | <250 | GB/T 20020 |
Silica content (Based on ignited material) | % | >99.8 | GB/T 20020 |
Tamped density ( Based on material dried for 2 hours at 105°C ) | g/dm2 | 40 — 60 | GB/T 20020 |
Packing
10kg/bag kraft paper.
12 month shelf life.
Silica Siwin-QS200
hydrophilic fumed silica
Characteristics
QS-200 is is hydrophilic fumed silica with specific surface area around 200m2/g-
Applications
Coatings & Paintings Film & UPR
HTV&RTV Silicon Rubber
Adhesives & Sealants Printing Ink
Properties
•Reinforcing filler for elastomers
•Rheology control and thixotropic agent
•Anti-settling, anti-sagging and thickening agent
•Free flow aid and anti-caking aid for powders
•High transparency
Physical & Chemical Data
Properties | Unit | Standard Value | Testing Method |
Specific surface area (BET) | m2/g | 200±20 | GB/T 20020 |
pH in 4% dispersion | 3.9 ~ 4.5 | GB/T 20020 | |
Loss on drying (2 hour at 105°C) | % | <2.0 | GB/T 20020 |
Loss on ignition (2 hour at 1000° based on material dried for 2 hours at 105°C) | % | <2.0 | GB/T 20020 |
Sieve residue(45pm) | mg/kg | <250 | GB/T 20020 |
Silica content (Based on ignited material) | % | >99.8 | GB/T 20020 |
Tamped density ( Based on material dried for 2 hours at 105°C ) | g/dm2 | 40 — 60 | GB/T 20020 |
Packing
10kg/bag kraft paper.
12 month shelf life.
