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hydrophilic pyrogenic silica

High Purity hydrophilic pyrogenic silica HL-150 For Adhesives And Sealants

  • High Purity hydrophilic pyrogenic silica HL-150 For Adhesives And Sealants
Product Details:

Hydrophilic Fumed Silica Equivalent To AE-150 Used For HTV Silicone Rubber

 

 

Specification

 

HL-150 is a hydrophilic fumed silica with a specific surface area of 150 m2/g. It is a kind of high purity white colloidal powder.

 

Application:

 

1, Paints and Coatings.

2, Elastomers, especially HTV Silicone Rubber.

4, Adhesives and Sealants

 

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.

 

Chemical Data

 

Property Unit Typical Value
Specific surface area(BET) M2/g 150±15
PH Value in 4% dispersion   3.7-4.5
Loss on dying(2h@105C) Wt% ≤1.5
Loss on ignition(2h@1000C,based on material dried for 2h@105C) Wt% ≤2.0
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

Aqueous Dispersion hydrophilic pyrogenic silica Antiblocking For Rheology Control

  • Aqueous Dispersion hydrophilic pyrogenic silica Antiblocking For Rheology Control
Product Details:

Aqueous Dispersion of Hydrophilic Fumed Silica Used As Rheology Control

 

 

Specification

 

Aqueous dispersion of hydrophilic fumed silica is a low viscosity, water-based dispersion of fumed silica, with a slightly alkaline Ph.

 

Appearance

 

It is a milky-white liquid.

 

Application

 

Rheology control.

Stabilization of emulsions

Reinforcement

Surface treatment, e.g. polishing

Anti-blocking

Anti-slip

Adhesion promotion

Flocculation aid

 

 

Properties

 

Low thickening effect

Low viscosity

 

Packaging and storage

 

Depending on customer request is available 220 kg drums .All dispersions must be protected from extreme heat and frost. The products should be used within twenty four months from the production. Small amounts of sedimentation are normal.

 

Chemical Data

 

Properties and test methods Unit Value
PH Value   9.5-10.5
Sio2 Content % 19-21
Mean Aggregate Size D-50 Value um 0.15
Viscosity Measured at a Shear Rate of 100 S-1 mpas
≤100
The data represents typical values(no product specification)

 

AE-300 hydrophilic pyrogenic silica Colloidal For Unsaturated Polyester Resins / Films

  • AE-300 hydrophilic pyrogenic silica Colloidal For Unsaturated Polyester Resins / Films
Product Details:

Hydrophilic Fumed Silica Powder Counter For AE-300 Used For Unsaturated Polyester Resins and Films

 

 

Specification

 

HL-300 is a hydrophilic fumed silica with a specific surface area of 300 m2/g. It is a kind of high purity white colloidal powder.

 

Application:

 

1, Paints and Coatings.

2, Elastomers, especially HTV Silicone Rubber.

3, Unsaturated Polyester Resins and Films

4, Adhesives and Sealants

5, Printing Inks

6, Plant Protection

7, Cosmetics

 

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 300±20
PH Value in 4% dispersion   3.7-4.5
Loss on dying(2h@105C) Wt% ≤2.0
Loss on ignition(2h@1000C,based on material dried for 2h@105C) Wt% ≤2.0
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

HS 281122 hydrophilic pyrogenic silica For Rheology Control Adhesives

  • HS 281122 hydrophilic pyrogenic silica For Rheology Control Adhesives
Product Details:

Hydrophobic Fumed Silica Powder HS Code: 281122 Used For Adhesives of Rheology Control

 

 

Introductions

 

The Hydrophobic fumed silica HB-151 is a synthetic amorphous, non-crystalline silica. It is odorless, chemically inert and has no adverse health or environmental effects when used as recommend.

 

Characters

 

1, Treated with a reactive silane to give water repellent characteristics

2, Useful for thickening polar solvents and resins like alcohols, isocyanates, epoxies and urethanes

3, Useful for reinforcing silicones without thickening.

 

Application:

 

1, Adhesives – for rheology control

2, Caulks and sealants – for rheology con- trol and reinforcement

3, Composites – for rheology control

4, Elastomers – for reinforcement

5, Personal care – for free flow in powders, rheology control in pastes and liquids and reinforcement

Chemical Parameters

 

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

HB - 135 hydrophilic pyrogenic silica Low Thickening Effect For Silicone Rubber

  • HB - 135 hydrophilic pyrogenic silica Low Thickening Effect For Silicone Rubber
Product Details:

Hydrophobic Fumed Silica Powder As Low Thickening Effect Used For Silicone Rubber

 

 

Introduction

 

HB-135 is a structure modified hydrophobic fumed silica

 

Application

 

Silicone Rubber

Adhesives and Sealants

Defoamers

Toner

 

Properties

 

1, Low thickening effect and excellent processability enable high loading in polymers.

2, Excellent reinforcing properties in silicone rubber applications especially at high filler loading levels(ETV-1, ETV-2, LSR)

3, Well suited for transparent systems

4, Free-flow aid for powders.

 

Physical and Chemical Data

 

Property Unit Typical Value
Specific Surface area(BET) m2/g 210±30
PH- Value in 4% Dispersion   7.0-8.5
Moisture(2 hours at 105℃)
wt% ≤0.5

Loss on ignition(

2 h@1000℃,based on material dried for 2h@105℃)

Wt% ≤8.0
Sio2 Content(Based on ignited material) wt% ≥99.8
Carbon content(based on material dried for 2h @105℃) Wt% 3.5-6.5

EINECS 231-545-4 hydrophilic pyrogenic silica / Silica Silylate Powder

  • EINECS 231-545-4 hydrophilic pyrogenic silica / Silica Silylate Powder
Product Details:

Hydrophobic Fumed Silica Powder With a Specific Surface Area of 170 m2/g Used For Adhesives and Sealants

 

 

Characteristics

 

HB-152 is a hydrophobic fumed silica after treated with DDS(Dimethyl based on a hydrophilic fume silica with a specific surface area of 170 m2/g. It is a kind of high purity white colloidal powder.

 

Applications

 

1, RTV silicone sealants, especially electronic potting.

2, Adhesives and Sealants

3, Coatings, Inks.

4, Powder Coatings.

 

Properties

 

1, Thixotropy and reinforcement in RTV silicone sealants, the hydrophobic feature given RTV silicone sealants a long period Shelf-life.

2, Rheology Control in adhesives.

3, Improvement of anti-settling, anti-sagging and thixotropy control.

4, Improve the free flow of powder coatings and anti-caking.

5,Higher hydrophobic feature, thixotropic, thickening effect, transparency and reinforcement.

 

Physicochemical Data

 

Properties Unit Typical Value
Specific Surface Area(BET) M2/g
170±20

 

PH-Value in 4% Dispersion(1:1 mixture of water and ethanol)   3.7-4.5
Loss on drying(2h@105℃) Wt%
≤0.7
Loss on ignition(2h@1000℃,based on material dried for 2h@105℃) Wt%
≤2.5
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% 0.6-1.2
Contact Details
Guangzhou Quanxu Technology Co.,Ltd.

Contact Person: Mr. Don

Tel: 86--18211475147

Fax: 86-20-38071820

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