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Fumed Silica

(1.0)
Supplier From India
Mar-12-20

Fumed silica (CAS number 112945-52-5), also known as pyrogenic silica because it is produced in a flame, consists of microscopic droplets of amorphous silica fused into branched, chainlike, three-dimensional secondary particles which then agglomerate into tertiary particles. The resulting powder has an extremely low bulk density and high surface area. Its three-dimensional structure results in viscosity-increasing, thixotropic behavior when used as a thickener or reinforcing filler.
Fumed silica has a very strong thickening effect. Primary particle size is 550 nm. The particles are non-porous and have a surface area of 50600 m2/g. The density is 160190 kg/m3.
APPLICATION

Paints and coatings
Unsaturated polyester resins, laminating resins and gel coats
HTV- and RTV-2K-silicone rubber
Adhesives and sealants
Printing inks
Cable compounds and cable gels
Plant protection
Adhesives and sealants
Chemical mechanical planarization (CMP)
Coatings
Composites
Food additives
Greases
Pharmaceuticals
Printing and packaging
Silicone sealants
Skin and beauty care product

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Feb-04-19
Micro Silica (Silica Fume)

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  Royal Mineral
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Features Of Micro Silica (Silica Fume)

Micro Silica also known as Silica fume. It is a by product of producing silicon metal or ferrosilicon alloys in smelter using electric arc furnaces. It is a grey coloured powder, pozzolanic in nature.

Applications

Concrete Industry
Refractory
Rubber Industry
Anti caking agent
Pellet Binder
Feb-11-21
Fumed Silica

Fumed Silica

(1.3)
Ask for price
MOQ: Not Specified
  Pme Asia Group
Supplier From Kolkata, West Bengal, India
Supplier Of Silica Sand
 
Fumed Silica is also popular as white carbon black and pyrogenic silica. Fumed Silica is non toxic, non-polluting, high-tech inorganic fine white chemical. In high purity fumed silica the silica content is above 99.8%. The particle size varies from 7 to 40 nm. This new ultra-fine inorganic material become a irreplaceable material due to its small particle size, large specific surface area, strong surface absorption, surface energy, heat resistance property.

Production Process:
Fumed silica is made from flame pyrolysis of silicon tetrachloride vaporized in 1800C electric arc.

Available Grade:
PME-SS-150, PME-SS-200, PME-SS-300, PME-SS-380.
Special request for customization can be prepared.

Technical Details:
Parameters PME-SS-150 PME-SS-200 PME-SS-300 PME-SS-380
SiO2 99.8% 99.8% 99.8% 99.8%
pH Value 3.7-4.5 3.7-4.5 3.7-4.5 3.7-4.5
Specific Surface Area, m2/g 150 30 20 30 300 30 380 30
105oC Volatile Mass Fraction, wt% 1 1.5 2 2
Burning Loss Weight Mass fraction, wt% 1.5 2 2 2
45um Sieve residue, mg/kg 250 250 250 250
Appearance Density, g/l 50 50 50 50
Al2O3 mass fraction, mg/kg 400 400 400 400
TiO2 mass fraction, mg/kg 200 200 200 200
Fe2O3 mass fraction, mg/kg 30 30 30 30
Chloride mass fraction, mg/kg 250 250 250 250
Carbon mass fraction, mg/kg 0.2 0.2 0.2 0.2
Jul-19-16
Fumed Silica

Fumed Silica

(1.3)
$3.00
MOQ: Not Specified
  Lyrin Industrial Corp. Ltd.
Supplier From Changsha, Hunan, China
Supplier Of Silica Sand
 
Introduction
Fumed silica is hydrophilic fumed silica(silicon dioxide). It is high purity and fluffy powder with typical specific surface area of 150g, 200g, 300g, 380g. Furthermore, it is characterized by an x-ray amorphous structure.

Positive effects:
Optimum adjustment of rheology during processing
Reinforcement of silicone elastomers
Thickening of non-polar liquids
Free-flow of foodstuffs and industrial powders
High chemical purity
Excellent insulation properties, even at high temperatures
Conversion of liquids to powders, e.G. Pharmaceuticals, cosmetics
Gelification of battery acids
Rheology control of greases and lubricants

Detailed application area:
Coating:ep-, up-, pu-, acrylic resinpmma/mmapvc plastisol
Sealants:pib, pu, acrylic resin, butyl rubber, rtv silicone sealant
Film:hydrate celluloseperpipvcpapepp pvcf
Gel coat:laminated resinupmfpf resin
Casting film:puepacrylic resin, rtv silicone rubber
Cable:htv silicone rubber pe
Foam plastic and polymer:epspvcppsappa ep
Adhesives:epuppp pupvac
Silicon rubber:rtv-1crtv-2c lsr(vms)
Fluororubber
Natural rubber
Feb-27-14
Fumed silica

Fumed Silica

(1.3)
Ask for price
MOQ: Not Specified
  Baote Chemical&industrial Co., Ltd
Supplier From Shouguang, Shandong, China
Supplier Of Silica Sand
 
Characteristics
Control the liquid system, adhesive, polymer¡¡¥s rheology and thixotropy.

As additive agent used to prevent subside, thickening and prevent sagging.

Reinforce hrc high temperature sulfuration silicon rubber and rtv-2k room temperature sulfuration silicon rubber.

Improve the quality of the powder, and improve the liquidity and anti-blocking characteristic.

Application

Paint and coating .

Unsaturated polyester resins, laminating resins and gel coat.

Hrc high temperature sulfuration silicon rubber and rtv-2k room temperature sulfuration silicon rubber.

Adhesive and fluid sealant

Printing ink cable rubber plant protection food and cosmetics


Paper and pe bag 10kg/bag
Jul-04-13
Fumed silica

Fumed Silica

(1.3)
Ask for price
MOQ: Not Specified
  Dalian Fuchang Chemical Co., Ltd.
Supplier From Dalian, Liaoning, China
Supplier Of Silica Sand
 
Hydrophilic Fumed Silica

A.Characteristic:
It is a white and colloidal micro-particle with its primary micro-particle from 5-40 nm and has obvious properties such as thixotropy, reinforcing, thickening and filling etc. and is
insoluble in all kinds of solvents and liquids except hydrofluoric acid and concentrated bases.


It is used widely in silicon rubber, construction sealant, coating, electron and electric,
aerospace, medicine and medical material, resin processing, printing ink, pesticide and other industries.
F-150: used widely in silicone acid rubber, sulfurized silicone rubber in ambient temperature
(low water content), silicone neutral rubber.
F-200: used widely in sealing ring, sealing gasket, petroleum pipeline, insulator, tablet powdered
preparation, artificial viscera, infusion tube, latex nipple and high quality oil ink.
F-380: used widely in reinforcing agent for silicone rubber, medical silicone rubber for transparent
artificial organs and artificial heart etc.
Packing:
packed with multi-layer paper plastic compound bag with net weight of 5 kg or 10 kg, or packed by whole plastic seal for users having special demand on water content.

10kg per bag
Jul-11-18
Fumed Silica

Fumed Silica

(1.0)
$5.2k
MOQ: Not Specified
  Hoshine Silicon Industry Co., Ltd.
Supplier From Pinghu, Zhejiang, China
Supplier Of Silica Sand
 
It is white, loose, amorphous, non-toxic and non-odorous nonmetal oxide. Due to the nanometer effect, it has excellent properties, such as reinforce, bodying, thixotropy, insulation and others.Therefore, it can be widely used in the rubber, plastic, paint coating, adhesive, seals and other polymer industrial area.
Surface Area (m2/g): 150, 200
Jul-11-19
Fumed Silica, Hydrophilic Fumed Silica

Fumed Silica, Hydrophilic Fumed Silica

(1.1)
$3.60
MOQ: Not Specified
  Dalian Fuchang Chemical Co., Ltd
Supplier From Dalian, Liaoning, China
Supplier Of Silica Sand
 
Fumed silica is the superfine micro-nano fine chemical product , which is divided into hydrophilic type and hydrophobic type in accordance with their different surface treatments, its appearance is white powder , native particle size ranges from 5nm to 40nm, with signficant functions of thixotropy, reinforcing, thickening and filling.

it is widely used in the industries of rubber , sealant, plastic , resin, paint, printing ink, papermaking, medicine, cosmetics food etc.
VERIFIED
Dec-20-23
Fumed Silica Powder

Fumed Silica Powder

(2.5)
Ask for price
MOQ: Not Specified
  Cairo Fresh For Minerals And Quarries Materials
Supplier From Abou Hammad, Al Sharqeya, Egypt
Supplier Of Silica Sand
 
Hot Selling Fumed Silica Powder Hydrophobic Material Fertilizantes Agricolas
Key attributes
Industry-specific attributes
SiO2 Content (%) 99.9%
Fe2O3 Content (%) 0.005%
Al2O3 Content (%) 0.01%
MgO Content (%) 0.01ppm
CaO Content (%) 1ppm~5ppm
P2O5 Content (%) 0.0002%
Other attributes
Place of Origin Egypt
Brand Name Custom
Model Number Silica Flour-001
Type Silica Powder
Application Ferroalloys
Grade Silica Ultra Fine-500
Packaging and delivery
Packaging Details As Per Customers Requirements

Port Cairo
Supply Ability
Supply Ability 1000 Ton/Tons per Month
Sep-25-20
Fumed Silica Basisil-200

Fumed Silica Basisil-200

(1.3)
$2.65
MOQ: Not Specified
  Dalian Bashan Chemical Co., Ltd.
Supplier From Dalian, Liaoning, China
Supplier Of Silica Sand
 
Basisil-200 is a hydrophilic fumed silica with a specific surface area of 200m2/g, and it is synthetic, hydrophilic, amorphous silica. The original particle size can be 5- 40 nm. Itâ??s a kind of high purity white colloidal powder. Widely used in coatings, printing ink, resin, silicone sealant, adhesive etc.
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