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Hydrophilic fumed silica-QS200

  • 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.

                                                                



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