Fumed Silica FST-200 for Sealants and Adhesives

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Product Detail

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FST fumed silica is amorphous fumed silica, produced by vapor phase hydrolysis of Silicon Tetrachl in flame of hydrogen and oxygen, the resulting products are pure, xray amorphous. Silicon Dioxide (SiO2). FST fumed silica is pure amorphous pyrogenic silica, non-toxic and is not flammable or combustible. Its original particle size is between 7-40 nm, it has high surface activity. It can be widely used as reinforcing, thickening, thixotropic, matting, defoaming UV sterilization etc.

FST-200 is hydrophilic fumed silica with specific surface area around 200 m2/g.


Silicon rubber PVC plastics Cable layer
Sealants and adhesives Agriculture Lubricants
Paints and coatings Cosmetics Pharmaceuticals
Printing inks Gel battery Catalyst
Medicine Other applications


Product Application

TYJ (2)


Packing & Delivery
10kg/Bag ; White kraft paper bag,
For 20 GP it can loading 2200kg products with 10 pallets, 22bags/pallet ;
For 40 GP it can loading 2400kg products with 20 pallets, 22bags /pallet ;
For 40 HQ it can loading 4800kg products with 20 pallets, 24bags/pallet
Stored in dry and ventilated place. For more details, please refer to the Material Safety Data Sheet.

1. Delivery time
a) For the stock items, we can arrange the shipment within 7 days after received your payment. For the customized items, we will indicate the delivery time in the quotation list.
2. MOQ &Shipping
a) Full containers by sea
b) Small quantity(>25kg), by air or by LCL or by Express as your requirement
3. Payment term
a) Small quantities: recommend T/T
b) Full containers: recommend T/T or L/C at sight
4.Charge for sample?
Free samples(≤5kg) could be provided and please kindly pay the express charge.
1.Is your company a manufacturer or a trade company?
A Manufacturer. We’ve been researching and manufacturing fumed silica for 30 years. We are the top manufacturer of fumed silica with well-developed and stable manufacturing process in China
2.What’s the main raw material?
Fumed silica is synthesized by the pyrohydrolysis of silicon tetrachloride in the flame of hydrogen and oxygen. Our main raw material is silicon tetrachloride.
3.What’s the main applications?
Fumed silica is mainly applied in the field of HTV, RTV, electronic liquid adhesives, adhesives, defoaming agent, ink and coatings, food and drugs, farm chemical, animal-feeding, paintings and so on.
4. What’s the related effects of fumed silica?
When fumed silica is used as filler or additives, it helps in thickening, reinforcement, transparency, free-flow, thixotropy, dielectric properties, anti-settling, heat insulation and anti-sagging.
5. Compared with other manufacturers, What’s the advantages you have?
Quality Stabilization: We got the certificate of manufacture in Zhejiang with the standard T/ZZB 1420-2019, which represents the highest quality standard in China.
Largest Manufacturer: Our annual output of hydrophilic product is 8,000 tons.
Leading Authority: We have already been the influential enterprise in silicon industry in China.
6. What are the grades you have?
Hydrophilic Grade: FST-150/FST-200/FST-380/FST-430
7. What’s the price of your product?
Price is based on the actual grade. When price of raw material fluctuates, we may adjust the price accordingly, please enquire before placing orders.
8. What’s the payment terms?
Mainly T/T, L/C and D/P, actual payment terms please check with sales when placing orders.
9. How long it takes to arrange delivery after placing order?
We will arrange delivery immediately according to manufacturing schedule and condition. Due to shipping schedule or other factors, please check with sales when placing orders.

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