Hydrophilic Fumed Silica for Paint and Printing

• Formula: Sio2
• Classification: Other Oxides
• Grade Standard: Industrial Grade
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: BFS-200
• Quality: First Class
• Purity: 99.8% Min
• Bet: 200 +- 15
• pH: 3.7 - 4.5
• Mf: Sio2
• Particle Size: 7-40nm
• Transport Package: 10kg Per Bag.
• Specification: 7-40 nm
• Origin: China
• Production Capacity: 2000mts / Year
• Package Size: 2.00cm * 2.00cm * 3.00cm
• Package Gross Weight: 1.000kg

Product Description

Fumed Silica BFS-200

 

BFS-200 is a hydrophilic fumed silica with a specific surface area of 200 m2/g .The original particle size can be 7-40 nm. It's a kind of high purity white colloidal powder.

Applications

Ø Paints,Coatings,Printing inks and Unsaturated polyester resins

Ø Sealants and Silicone Adhesive

Ø Elastomers, especially HTV and RTV Silicone rubber

Ø Films,Cosmetics and Heat insulator

Properties

Ø Reinforcing filler in elastomers

Ø Rheology and thixotropy control of liquid systems

Ø Used as anti-settling, thickening, anti-sagging agent

Ø Improvement of free flow and anti-caking characteristics of powders

Ø High transparency

Specification

Test Item	Specification	Standard
Specific Surface Area BET(m2/g)	200±15	GB/T10722
pH Value in 4% dispersion	3.7~4.5	ISO787-9
Loss on Drying 2h@ 105ºC(%)	≤1.0	ISO3262-1
Loss on Ignition 2h@ 1000ºC(%)	≤1.5	ISO3262-1
Sieve Residue(%)	≤0.05	ISO787-18
Tamped Density(g/l)	40~60	ISO787-11
SiO2 Content(%)	≥99.8	ISO3262-20
Carbon Content(%)	≤0.15	ISO3262-20

 

Packing and storage

Ø Packaged in multiple layer kraft paper, 10kg per bag

Ø Stored in aeration-drying storage areas for protecting the material from volatile substance.

 

Ø 20'GP: 1800KGS, 10 pallets, 180KG/pallet.

Ø 40'GP: 4000KGS, 20 pallets, 200KG/pallet.

Ø 40'HQ: 4400KGS, 20 pallets, 220KG/pallet.