HDK

Wacker Chemie AG Brand

Products:34

HDK® Pyrogenic silica is a mature product that WACKER has produced for over 50 years and is used by customers worldwide with great success. Thanks to our integrated production system with statistical process control and highly efficient reactor dynamics, we produce pyrogenic silica of exceptionally purity. With HDK® you get not only great product performance, but also tailored customer service.

View All HDK Products

HDK® H1000/4

Functions:Flow Promoter
Features:Water Resistance
Synonyms:Fumed Silica, Silica, Silicon Dioxide

HDK® H1000/4 is a highly efficient free flow additive designed specifically for use in various types of electrophotographic toners, including monocomponent magnetic toners, monocomponent nonmagnetic toners, dual-component toners, crushed type toners, and polymerization toners. It offers medium surface area (BET) and consists of medium-sized silica particles.

HDK® H13L

Chemical Family:Silica
Functions:Rheology Modifier, Anti-Settling Agent, Thixotrope, Thickener
Labeling Claims:Environmentally Friendly
Physical Form:Solid, Powder
Features:Corrosion Resistance, Excellent Adhesion
Synonyms:Fumed Silica, Silica, Silicon Dioxide

HDK® H13L is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H13L is primarily used as a thickening, thixotropic, and anti-sedimentation agent in various applications such as coatings, printing inks, adhesives, and others. It finds its main application in polar systems. The strong hydrophobicity of HDK® H13L makes it particularly suitable for solvent-free systems, high solids formulations, and waterborne coatings.

HDK® H15

INCI Name:Silica Dimethyl Silylate
Chemical Name:Pyrogenic Silica
CAS Number:112945-52-5
Functions:Thixotrope, Extender, Thickener, Rheology Modifier, Filler, Reinforcement, Viscosity Modifier
Chemical Family:Silica
Synonyms:Fumed Silica, Silica, Silicon Dioxide

HDK® H15 is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H15 is commonly utilized as a thickening and thixotropic agent in coatings, printing inks, adhesives, cosmetics, and other applications. Additionally, it serves as a reinforcing filler in elastomers, particularly silicone elastomers. Moreover, HDK® H15 functions as a free flow additive in the production of technical powders.

HDK® H16

Functions:Thickener, Thixotrope, Rheology Modifier
Compatible Polymers & Resins:Vinyl Esters, Epoxies (EP), Polyurethanes (PU)
Chemical Family:Silica
Synonyms:Fumed Silica, Silica, Silicon Dioxide

HDK® H16 is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H16 is applied as a thickening and thixotropic agent in composites, coatings, adhesives, and sealants, especially in vinylester, epoxy, and polyurethane systems. It also finds applications in adhesives.

HDK® H17

Chemical Name:Pyrogenic Silica
CAS Number:112945-52-5
Functions:Thixotrope, Thickener, Rheology Modifier
Chemical Family:Silica
Compatible Polymers & Resins:Vinyl Esters, Polyurethanes (PU), Epoxies (EP)
Synonyms:Fumed Silica, Silica, Silicon Dioxide

HDK® H17 is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H17 is used as a thickening and thixotropic agent in composites, coatings, adhesives, and sealants, particularly in vinylester, epoxy, and polyurethane systems.

HDK® H18

Chemical Family:Silica
Functions:Rheology Modifier, Thixotrope, Thickener, Viscosity Modifier
End Uses:Epoxy Coating, Sensors, Wind Turbine Blades
Compatible Polymers & Resins:Epoxies (EP), Polyurethanes (PU), Vinyl Esters
Labeling Claims:Cruelty-Free, Clean at Sephora, Credo Clean Standard, High Purity, Ulta Beauty's Conscious Beauty
INCI Name:Silica Dimethyl Silylate
Synonyms:Fumed Silica, Silica, Silicon Dioxide

HDK® H18 is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H18 is used as a thickening and thixotropic agent in composites, coatings, adhesives, and sealants, particularly in vinylester, epoxy, and polyurethane systems.

HDK® H20

INCI Name:Silica, Silica Dimethyl Silylate
Chemical Family:Silica
Functions:Filler, Rheology Modifier, Reinforcement, Extender, Thixotrope, Thickener, Viscosity Modifier
Labeling Claims:Cruelty-Free, Clean at Sephora, Credo Clean Standard, Kosher, Ulta Beauty's Conscious Beauty
Certifications & Compliance:Kosher, Cruelty-Free, REACH Exempt (Europe), EC No.1907/2006, Comprehensive Environmental Response, Compensations & Liability Act (CERCLA)
Synonyms:Fumed Silica, Silica, Silicon Dioxide

HDK® H20 is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H20 is used as a thickening and thixotropic agent in coatings, printing inks, adhesives, cosmetics, and other applications. It also serves as a reinforcing filler in elastomers, particularly silicone-elastomers. Additionally, HDK® H20 acts as a free flow additive in the production of powder coatings.

HDK® H2000

INCI Name:Silica Silylate, Silica
Chemical Family:Silica
Functions:Filler, Reinforcement, Extender, Thickener, Viscosity Modifier
Labeling Claims:Cruelty-Free, Clean at Sephora, Credo Clean Standard, Ulta Beauty's Conscious Beauty
Certifications & Compliance:RoHS Compliant, Cruelty-Free, REACH Exempt (Europe), EC No.1907/2006, ISO 9001
Synonyms:Fumed Silica, Silica, Silicon Dioxide

HDK® H2000 is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H2000 is primarily used as a reinforcing filler in silicone-elastomers, enhancing their properties. Furthermore, it serves as a free flow additive in the production of technical powders and finds application as an additive in antifoam agents.

HDK® H2000/4

Chemical Family:Silica
Functions:Flow Promoter
Features:Water Resistance
Synonyms:Fumed Silica, Silica, Silicon Dioxide

HDK® H2000/4 is a highly efficient free flow additive designed specifically for use in electrophotographic toners. It is suitable for various types of toners, including monocomponent magnetic toners, monocomponent nonmagnetic toners, dual-component toners, crushed type toners, and polymerization toners. The recommended application range for HDK® H2000/4 is 0.5 to 3.0 wt%.

HDK® H20RH

Chemical Family:Silica
Functions:Thixotrope, Thickener, Rheology Modifier
Compatible Polymers & Resins:Polyurethanes (PU), Epoxies (EP), Acrylics
Physical Form:Solid, Powder
Synonyms:Fumed Silica, Silica, Silicon Dioxide

HDK® H20RH is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H20RH is highly effective as a thickening and thixotropic agent in various applications such as coatings, printing inks, adhesives, and others. It offers high compatibility, especially in epoxy, polyurethane, and acrylate systems.

HDK® H20RM

Chemical Family:Silica
Functions:Thixotrope, Thickener, Rheology Modifier
Compatible Polymers & Resins:Polyurethanes (PU), Epoxies (EP), Acrylics
Physical Form:Solid, Powder
Synonyms:Fumed Silica, Silica, Silicon Dioxide

HDK® H20RM is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H20RM is used as a thickening and thixotropic agent in various applications such as coatings, paints, printing inks, and adhesives, particularly in epoxy, polyurethane, and acrylate systems.

HDK® D05

Chemical Family:Silica
Functions:Extender
Synonyms:Fumed Silica, Silica, Silicon Dioxide

HDK® D05 is a synthetic, hydrophilic amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. Achieving a good dispersion of HDK® D05 is essential to ensure optimal performance. This product serves as a filler in both organic and inorganic systems, allowing for high loading without significant impact on rheology. It finds application in various industries, including coatings and resins. HDK® D05 is also valued as a highly pure source of SiO².

Knowde Brand Summary

Identification

Chemical Family: Silica
Chemical Name: Pyrogenic Silica
INCI Name: Silica,
Silica Dimethyl Silylate,
Silica Silylate
Ingredient Name: Pyrogenic Silica
Technologies: Animal Feed & Nutrition,
CASE Ingredients,
Composite Materials,
Cosmetic Ingredients,
Elastomers,
Fluids & Lubricants,
Food Ingredients,
Industrial Additives & Materials,
Pharmaceuticals & Nutraceuticals
Product Families: Additives
Fillers & Extenders,
Functional Additives,
Rheology Modifiers & Stabilizers
Additives
Performance Additives
Additives
Thixotropes
Battery & Electronic Materials
Electronic Chemicals
Elastomer Additives
Fillers & Extenders
Excipients
Base Fluids, Glidants & Lubricants,
Formulation & Processing Aids
Functional Additives
Foaming & Antifoaming Aids
Functionals
Rheology Modifiers,
Texturizers & Fillers
Grease Thickeners
Non-Soap Thickeners
Paper & Pulp Chemicals
Finishing Additives & Treatments
Production Aids and Processing Additives
Conditioning & Flow Enhancers,
Emulsifiers, Stabilizers & Thickeners
Texture & Consistency
Starches & Thickeners
Animal Feed & Nutrition Functions: Anti-Caking Agent,
Flow Promoter,
Thickener
CASE Ingredients Functions: Anti-Settling Agent,
Extender,
Flow Promoter,
Rheology Modifier,
Thickener,
Thixotrope
Composite Materials Functions: Reinforcement,
Thickener,
Thixotrope
Cosmetic Ingredients Functions: Filler,
Thickener,
Viscosity Modifier
Fluids & Lubricants Functions: Thickener,
Viscosity Modifier
Food Ingredients Functions: Anti-Caking Agent,
Anti-Foaming Agent,
Thickener,
Viscosity Modifier
Industrial Additives Functions: Thixotropic Agent
Pharma & Nutraceuticals Functions: Flow Promoter,
Glidant,
Thickener,
Viscosity Modifier
Plastics & Elastomers Functions: Reinforcement

Applications & Uses

Markets: Adhesives & Sealants,
Automotive & Transportation,
Building & Construction,
Electrical & Electronics,
Food & Nutrition,
Healthcare & Pharma,
Industrial,
Paints & Coatings,
Personal Care,
Printing & Packaging
Applications: Automotive
Interior
Automotive & Transportation
Automotive OEM Coatings,
Marine Coatings
Beauty & Care
AP/Deo,
Color Cosmetics,
Hair Care,
Oral Care,
Skin Care,
Sun Care,
Treatment Products
Bonding & Assembly
Transportation Assembly
Building & Construction
Architectural Coatings,
Floor Coatings,
Roof Coatings,
Wood Coatings & Finishes
Building Envelope & Roofing
Architectural Coatings,
EIFS & Insulation,
Waterproofing & Weatherproofing
Building Materials
Sealants & Caulks,
Wood
Chemical & Industrial Manufacturing
Equipment & Parts,
Fluids & Lubricants,
Industrial Adhesives & Sealants
Coatings & Finishes
Automotive OEM Coatings,
Marine Coatings
Drug Delivery & Care Solutions
Oral
Flooring & Surfaces
Floor Coatings,
Performance Flooring,
Wood Flooring
Food
Savory & Culinary
Industrial & Assembly Adhesives
Industrial Manufacturing,
Transportation Assembly
Industrial Coatings
Coil Coatings,
Industrial Coatings,
Metal Coatings
Leather & Textiles
Textile Manufacturing
Packaging Coatings
Can Coatings
Packaging Coatings
Can Coatings
Paper & Pulp
Coated Paper & Paperboard,
Pulping & Processing
Parts & Components
Batteries,
Sensors & Actuators
Power, Water & Utilities
Power & Utilities,
Renewable Energy
Printing & Inks
Digital Printing,
Flexography,
Gravure Printing,
Inkjet Printing,
Offset & Lithographic Printing,
Screen Printing
Transportation
Marine
Wire & Cable
Jacketing & Insulation
Application Format: Creams,
Leave On,
Lotions,
Ointments,
Powder,
Rinse Off,
Spray
Compatible Polymers & Resins: Acrylics,
Cement,
Epoxies (EP),
Natural Rubbers (NR),
Polyesters,
Polyurethanes (PU),
Polyvinyl Chloride (PVC),
Silicones,
Synthetic Rubbers,
Unsaturated Polyester (UPE),
Vinyl Esters
Compatible Substrates & Surfaces: Paper,
Wood
Dosage Form: Powder & Powder Blends,
Tablets
Fluids & Lubricants Type: Gear Oils & Lubricants
AP/Deo Applications: Deodorants
Coating Type: Coil Coating,
Epoxy Coating,
Powder Coating,
Solventborne Coating,
Solventless & High Solids Coating,
Waterborne Coating
Composites End Use: Cables,
Sensors,
Wind Turbine Blades
Food & Nutrition Applications: Spice Seasoning
Industrial Additives End Use: Electronics,
Inkjet Papers,
Paper & Pulp,
Sulfuric Acid Gel Batteries
Ink & Toner Type: Flexography Ink,
Gravure Ink,
Lithographic Ink,
Offset Ink,
Radiation Curable Ink,
Screen Printing Ink,
Solventborne Ink,
Toner,
Waterborne Ink
Oral Care Applications: Toothpaste
Plastics & Elastomers End Uses: Automotive Interior Trim,
Cables,
Electrical/Electronic Applications,
Industrial Applications,
Thermal Insulation
Sun Care Applications: After Sun Products
Treatment Product Applications: Ointments

Knowde Brand Highlights

Advantages: HDK^® pyrogenic silica improves the performance, stability and handling of your systems and formulations at all phases of production and processing. HDK^® is ideal for adjusting the flow properties of liquids and giving powders optimum free-flow properties.
Application Areas: HDK^® optimizes processes and products across a wide range of applications and industries:

Accumulators

Composites

Printing inks, developers

Paints

Joint fillers

Animal feed

Insulating gels

Adhesives

Foodstuffs

Coatings

Natural and synthetic rubber

Food products

Pharmaceuticals

PVC

Bulk goods

Silicone elastomers

Thermal insulation

Toners

Paper coating and textile impregnation
HDK® Pyrogenic Silica - Formation in a flame: It takes extensive experience to produce high-purity pyrogenic silica – and WACKER is one of the world’s leading producers.