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amorphous fumed silica

Colloidal Powder Amorphous Fumed Silica , Highly Purified Fumed Silicon Dioxide

  • Colloidal Powder Amorphous Fumed Silica , Highly Purified Fumed Silicon Dioxide
  • Colloidal Powder Amorphous Fumed Silica , Highly Purified Fumed Silicon Dioxide
Product Details:

Hydrophilic Fumed Silica Powder CAS No.: 7631-86-9 Used For Cosmetics

 

 

Specification

 

Fume Silica Powder HL-200 is manufactured by controlled combustion of highly purified chlorosilanes with oxygen and hydrogen. A schematic diagram is given below. The silica generated in the flame is transported to HCL removal process, cooling process, that be made from hydrophilic fumed silica powder.

 

Feature

 

1, Used as anti-settling, thickening, anti-sagging agent.

2, Improvement of free flow and anti-caking characteristics of powders.

3, Rheology and thixotropy control of liquid systems, binders, polymers,etc.

Application

 

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

 

Chemical Instructions

 

Property Unit Typical Value Testing Method
Specific surface area(BET) M2/g 200±20 GB/T20020
PH Value in 4% dispersion   3.7-4.5 GB/T20020
Loss on dying(2h@105C) Wt% ≤2.0 GB/T20020
Loss on ignition(2h@1000C,based on material dried for 2h@105C) Wt% ≤2.0 GB/T20020
Sieve residue(45um) Wt% ≤0.04 GB/T20020
Silica content(Based on ignited material) Wt% ≥99.8 GB/T20020
Tamped density(Based on material dried for 2h@105C) g/L 40-60 GB/T20020
Carbon content(Based on material dried for 2h@105C) g/L ≤0.15 GB/T20020

 

Hydrophobic Fumed Silica Powder / Amorphous Fumed Silica HS CODE 281122 For Coatings

  • Hydrophobic Fumed Silica Powder / Amorphous Fumed Silica HS CODE 281122 For  Coatings
Product Details:

Hydrophobic Fumed Silica Powder HS CODE:281122 As White and Colloidal Powder

 

 

Description

 

HB-151 Hydrophobic fumed silica is produced by the chemical modification of hydrophilic with reactive silanes, e.g. chlorosilanes or hexamethyldisilazane. It has water-repellent properties and is no longer dispersible in water. This hydrophobic fumed silica Powder provide superior performance benefits for many types of applications, including: Adhesives and sealants, Coating, Silicone sealants.

 

Feature

 

A, Reduced moisture adsorption

B, Anti-settling, thickening and sag resistance in polar systems

C, Scratch and abrasion resistance

D, Free-flow and anti-caking

E, Corrosion resistance

 

Applications:

 

1, Coatings.

2, Cosmetic, Skin and beauty care products.

3, Adhesives and Sealants.

4, Silicone Sealants.

5, Compasites and Toners.

Chemical Instructions

 

Property Unit Typical Value Testing Method
Specific surface area(BET) ㎡/g 115±15 GB/T20020
PH Value in 4% dispersion   3.7-4.5 GB/T20020
Loss on dying(2h@105C) Wt% ≤0.5 GB/T20020
Loss on ignition(2h@1000C,based on material dried for 2h@105C) Wt% ≤2.5 GB/T20020
Silica content(Based on ignited material) Wt% ≥99.8 GB/T20020
Tamped density(Based on material dried for 2h@105C) g/L 40-60 GB/T20020
Carbon content(Based on material dried for 2h@105C) g/L 0.6-1.2 GB/T20020

High r transparency Amorphous Fumed Silica , Cas 7631 86 9 Silicon Carbide Powder

  • High r transparency Amorphous Fumed Silica , Cas 7631 86 9 Silicon Carbide Powder
Product Details:

Hydrophilic Fumed Silica Powder as Nano Silicon Dioxide Used For Coatings

 

 

Specification

 

HL-200 Hydrophilic fumed silica powder is a synthetic amorphous, Nano silicon dioxide with BET surface area of 200 m2/g. It is a kind of high purity white colloidal powder.

With its unique features of particle size, high purity, aggregated structure and low bulk density, it is widely used in fine chemical such as Silicone Sealant and Rubber, Paints and

Unsaturated Polyester etc.

 

Properties

 

1, Reinforcing filler in elastomers.

2, Rheology and thixotropy control of liquid systems, binders, polymers,etc.

3, Used as anti-setting, thickening, anti-sagging agent.

4, Improvement of free flow and anti-caking characteristics of powders.

5, High r transparency

 

Applications

 

1, Paints and Coatings

2, Unsaturated polyester resins and films

3, Elastomers, especially HTV and RTV Silicone rubber

4, Adhesives and Sealants

5, Printing Inks

6, Plant Protection

7, Cosmetics

 

 

Physical and Chemical Data

 

Property Unit Typical Value Testing Method
Specific surface area(BET) M2/g 200±20 GB/T20020
PH Value in 4% dispersion   3.7-4.5 GB/T20020
Loss on dying(2h@105C) Wt% ≤2.0 GB/T20020
Loss on ignition(2h@1000C,based on material dried for 2h@105C) Wt% ≤2.0 GB/T20020
Sieve residue(45um) Wt% ≤0.04 GB/T20020
Silica content(Based on ignited material) Wt% ≥99.8 GB/T20020
Tamped density(Based on material dried for 2h@105C) g/L 40-60 GB/T20020
Carbon content(Based on material dried for 2h@105C) g/L ≤0.15 GB/T20020

 

White Powder Amorphous Fumed Silica , Unsaturated Amorphous Silica Powder

  • White Powder Amorphous Fumed Silica , Unsaturated Amorphous Silica Powder
Product Details:

Surface Area of 380 m2/g Hydrophilic Fumed Silica Powder Used For Silicone Rubber and Other Elastomers

 

 

Specification

 

HL-380 is a hydrophilic fumed silica with a specific surface area of 380 m2/g. It is a kind of high purity white colloidal powder.

 

Application:

 

1, Paints and Coatings.

2, Silicone Rubber and Other Elastomers

3, Unsaturated Polyester Resins

4, Adhesives and Sealants

5, Printing Inks

 

Properties

 

1, Reinforcing filler in elastomers.

2, Rheology and thixotropy control of liquid systems, binders, polymers.

3, Used as anti-settling, thickening, anti-sagging agent.

4, Impovement of free flow and anti-caking characters of powders.

5, Excellent transparency in unsaturated polyester resins.

 

Chemical Data

 

Property Unit Typical Value
Specific surface area(BET) M2/g 380±30
PH Value in 4% dispersion   3.7-4.5
Loss on dying(2h@105C) Wt% ≤2.5
Loss on ignition(2h@1000C,based on material dried for 2h@105C) Wt% ≤2.5
Sieve residue(45um) Wt% ≤0.04
Silica content(Based on ignited material) Wt% ≥99.8
Tamped density(Based on material dried for 2h@105C) g/L 40-60
Carbon content(Based on material dried for 2h@105C) g/L ≤0.15

High Purity Amorphous Fumed Silica Homogeneity R812 For Elastomer And LSR

  • High Purity Amorphous Fumed Silica Homogeneity R812 For Elastomer And LSR
Product Details:

High Purity White Colloidal Hydrophobic Fumed Silica Counter For R812 Used For HTV Silicone Rubber and LSR

 

 

Characteristics

 

HB-630 is a hydrophobic fumed silica after treated with DDS(Dimethyl based on a hydrophilic fume silica with a specific surface area of 260 m2/g. It is a kind of high purity white colloidal powder.

 

Applications

 

1, Elastomer, HTV Silicone Rubber and LSR

2, Anti-foamer

3, Coatings, Inks.

4, Carbon Powder for Printer

 

Properties

 

1, In HTV and Liquid silicone rubber, provide good reinforcement and transparency.

2, Hydrophobic surface chemistry and stable thixotropy, anti-settling, anti-sagging.

3, High surface area, small particle size and good decentrality, performance high anti-foam property.

4, Improve the free flow, homogeneity and probility stability of Cabon Powder.

 

Physicochemical Data

 

Properties Unit Typical Value
Specific Surface Area(BET) M2/g
260±25

 

PH-Value in 4% Dispersion(1:1 mixture of water and ethanol)   5.5-8.0
Loss on drying(2h@105℃) Wt%
≤0.5
Loss on ignition(2h@1000℃,based on material dried for 2h@105℃) Wt%
≤4.0
Silica content(Based on ignited material) Wt%
≥99.8
Tamped Density(Based on material dried for 2h@105℃) g/L 40-60
Carbon Content(Based on material dried for 2h@105105℃) Wt% 2.5-4.0
Contact Details
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