• High Quality Hydrophilic Fumed Silica for Polyester, Silicone, Paints and Coatings
  • High Quality Hydrophilic Fumed Silica for Polyester, Silicone, Paints and Coatings
  • High Quality Hydrophilic Fumed Silica for Polyester, Silicone, Paints and Coatings
  • High Quality Hydrophilic Fumed Silica for Polyester, Silicone, Paints and Coatings
  • High Quality Hydrophilic Fumed Silica for Polyester, Silicone, Paints and Coatings
  • High Quality Hydrophilic Fumed Silica for Polyester, Silicone, Paints and Coatings

High Quality Hydrophilic Fumed Silica for Polyester, Silicone, Paints and Coatings

CAS No.: 14808-60-7;112945-52-5;60676-86-0;7631-86-9;99439-
Formula: Sio2
EINECS: 215-683-2;238-878-4;262-373-8;231-545-4;238-878-
Classification: Silicon Dioxide
Grade Standard: Industrial Grade
Kind: Fumed Silica
Samples:
US$ 1/Piece 1 Piece(Min.Order)
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Basic Info.

Model NO.
fumed silica
Quality
Special Class
Bet Surface Area [M2/G]
90/130/150/200-255/300/380
Loss on Drying [%]
Max 2.5
pH Value
3.5-4.7
Silica Content
Min 99.8
Al2O3 Mass Fraction Mg/Kg
400
TiO2 Mass Fraction Mg/Kg
200
Fe2o3 Mass Fraction Mg/Kg
30
Transport Package
20kg/Bag
Specification
fumed silica
Trademark
CS
Origin
China
HS Code
2811229000
Production Capacity
60000 Ton/Year

Product Description

High quality Hydrophilic fumed silica for polyester, silicone, paints and coatings
 

hydrophilic fumed silica with a specific surface area of 200 m2/g .The original particle size can be 5- 40 nm. It's a kind of high purity white colloidal powder.

It is mainly used for high-temperature vulcanized silicone rubber, organic silicone defoamer, advanced printing ink, powder coating, PVC resin, unsaturated polyester resin thickening, thixotropic agent, pharmaceutical powder, tabular preparation, cosmetics etc.

hydrophilic fumed silica Specification
 
Specification CS-1 CS-2 CS-3 CS-4 CS-5 CS-6
Specific sunface area(BET), /g 150±15 200±20 160 210 115±15 170±15
pH value in 4% dispersion 3.9~4.5 3.9~4.5 7.0~8.5 7.0~8.5 3.7~4.5 3.7~4.5
Loss on drying(2 hours at 105ºC), % ≤1.5 ≤2.0 ≤0.5 ≤0.5 ≤0.7 ≤0.7
Loss on ignition(2 hours at 1000ºC based on material dried for 2 hours at 105ºC), % ≤2.0 ≤2.0 ≤4.0 ≤8.0 ≤2.5 ≤2.5
Sieve Residue(45μm), mg/kg ≤250 ≤250 - - - -
Silica Content(Based on ignited material), % ≥99.8 ≥99.8 ≥99.8 ≥99.8 ≥99.8 ≥99.8
Tamped Density(Based on material dried at 105ºC for 2 hours), g/dm² 40~60 40~60 40~60 40~60 40~60 40~60
Carbon Content (Based on material dried at 105ºC for 2 hours), % - - 2.5~4.0 3.5~6.5 0.6~1.2 0.8~1.6
Al2O3 mass fraction  mg/kg 400 400 400 400 400 400
TiO2 mass fraction   mg/kg 200 200 200 200 200 200
Fe2o3 mass fraction  mg/kg 30 30 30 30 30 30

High Quality Hydrophilic Fumed Silica for Polyester, Silicone, Paints and Coatings
High Quality Hydrophilic Fumed Silica for Polyester, Silicone, Paints and Coatings
 

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