PRODUCTS

BYK W 9010

Byk W 9010 is used wetting and dispersing additive for filled, unsaturated polyester systems and epoxy systems.
Byk W 9010 is used filled epoxy systems and adhesives / sealants.
Byk W 9010 is used radiation-curable (UV) systems and other high-solid or solvent-sensitive formulations.

CAS Number (product): Not applicable / Not assigned
EC Number (product): Not applicable / Not assigned
Molecular Formula: Not applicable (formulated mixture)
Molecular Weight: Not applicable (formulated mixture)

Main Components
1) Phosphoric acid polyester (polymeric phosphate ester)
CAS Number: 162627-22-7
EC Number: Not available (polymeric substance)
Molecular Formula: Variable (polymeric structure)
Molecular Weight: Variable (polymeric range)
Synonyms: polyphosphoric acid polyester, phosphate ester polymer

2) Phosphoric acid (orthophosphoric acid)
CAS Number: 7664-38-2
EC Number: 231-633-2
Molecular Formula: H₃PO₄
Molecular Weight: 98.00 g/mol
Synonyms: orthophosphoric acid, phosphoric acid, hydrogen phosphate

SYNONYMS:
BYK W 9010, BYK-W 9010, BYK W9010, B9010

Byk W 9010 is a solvent-free (100% active) wetting and dispersing additive designed primarily for highly filled unsaturated polyester (SMC/BMC/pultrusion) and epoxy systems.
Byk W 9010 is used to improve filler wetting, reduce formulation viscosity during processing and to enable higher filler loading where solvent must be avoided.

Byk W 9010 is a wetting and dispersing additive for filled unsaturated polyester systems and epoxy systems.
Byk W 9010 is universal, solvent-free, 100% active ingredient.

Byk W 9010 is a wetting and dispersing agent that provides excellent viscosity reduction for non-shrinkage and low-shrinkage SMC, pultrusion, and highly filled epoxy systems.
Byk W 9010 is a highly effective, solvent-free wetting and dispersing additive (100% active ingredient).

Chemically, Byk W 9010 is a phosphoric acid ester, which ensures its excellent affinity for the surface of inorganic fillers and pigments.
Byk W 9010 serves as an important viscosity stabilizer in BMC compounds (bulk molding materials), ensuring stable and predictable rheological properties during curing and processing.

USES and APPLICATIONS of BYK W 9010:
Byk W 9010 is recommended for Use In, Forms, Compatibilizer .
Byk W 9010 is used in Conjunction With, Density, State at Room Temperature, Boiling Temperature, Chemical Description, Grade, Materials.
End Uses of Byk W 9010: Epoxy Adhesive, Radiation Curable Adhesive

Applications & Uses of Byk W 9010: Thrust Reversers Heat Shileding, Compatible Polymers & Resins Epoxies (EP),
Unsaturated Polyester (UPE), Compatible Substrates & Surfaces, Bulk Moulding Compound (BMC), and Sheet Molding Compound (SMC).
Adhesive & Sealant End Applications of Byk W 9010: Epoxy Adhesive, Radiation Curable Adhesive, Composites Processing Methods, and Pultrusion.

Use Level of Byk W 9010: 0.25 - 1% (BMC), 0.5 - 1% (Adhesives and Sealants), 0.5 - 1% (Wetting and Dispersion)
Application of Byk W 9010: SMC, BMC, Pultrusion
Recommended Use: Byk W 9010 is particularly recommended for adhesives based on epoxy resins and UV systems.

Byk W 9010 is used wetting and dispersing additive for SMC/BMC and pultrusion
Byk W 9010 is used wetting and dispersing additive for filled, unsaturated polyester systems and epoxy systems.
Byk W 9010 is used Composites

Main application areas of Byk W 9010: SMC/BMC manufacturing and pultrusion (unsaturated polyester composites).
Byk W 9010 is used filled epoxy systems and adhesives / sealants.
Byk W 9010 is used radiation-curable (UV) systems and other high-solid or solvent-sensitive formulations.

Typical dosage of Byk W 9010: Common recommended dosage is around 0.5–1.0% (based on filler weight), but exact dosage depends on filler type, filler loading and target viscosity / processing needs.
Byk W 9010 improves wetting and dispersion of mineral fillers

Byk W 9010 reduces viscosity in filled resin systems
Byk W 9010 allows higher filler loading in UPR, epoxy, adhesives
Byk W 9010 enhances processing in SMC/BMC and pultrusion systems

Byk W 9010 improves mechanical properties by better filler distribution
Byk W 9010 is used for wetting and dispersing fillers (and inorganic pigments) where solvent evaporation must be avoided.
Byk W 9010 is mostly recommended for pigment-filled low profile (LP) and low shrinkage (LS) SMC, as well as for reducing system viscosity in highly filled epoxy formulations.

Byk W 9010 is not suitable for cobalt-accelerated systems.
Byk W 9010 is used in low volatility formulations.
Addition: 0,5 - 1,0% (based on filler) 0,25 - 1,0 (stable viscosity in BMC, based on resin)

Directions: Add Byk W 9010 to the resin first, then add fillers or pigments.
Byk W 9010 is not recommended for cobalt-cured systems.
Byk W 9010 is suitable for low-volatility formulations.

Byk W 9010 is used wetting and dispersing agent for SMC/BMC and pultruded molding compounds.
Byk W 9010 is used for low profile (LP) and low shrinkage (LS) in pigment and filler fillings, and for reducing system viscosity in highly filled epoxy formulations.

Byk W 9010 is not suitable for cobalt-promoting systems.
Byk W 9010 is designed for filled systems based on unsaturated polyester and epoxy resins where volatile organic compounds (VOCs) must be avoided.

Byk W 9010 is particularly recommended for the most demanding applications in the composites industry, including low-emission SMC/BMC, Class A surface finish formulations, as well as epoxy adhesives and UV curing systems.
In composite production (SMC/BMC and pultrusion), the wetting agent Byk W 9010 is an indispensable component for creating advanced materials.

Byk W 9010's primary application is in low-emission SMC/BMC used in the automotive interior parts industry, where strict regulations limit VOC emissions.
Being 100% active, Byk W 9010 does not introduce volatile compounds into the system.

In Class A formulations for automotive body panels, Byk W 9010 ensures ideal surface quality due to excellent dispersion of fillers.
In BMC compounds, Byk W 9010 stabilizes viscosity, which is critical for the stability of the casting process.
During pultrusion, Byk W 9010 ensures the homogeneity of the impregnation composition and high-quality fiber wetting.

-Application of Byk W 9010:
• SMC, BMC, Pultrusion
Special Features and Benefits：
Solvent-free wetting and dispersing additive (100% active substance) to wet inorganic fillers (and inorganic
pigments) in systems in which solvents need to be avoided.

• Adhesives & Sealants
Special Features and Benefits：
Solvent-free wetting and dispersing additive (100% active substance) to wet inorganic fillers (and
inorganic pigments) in systems in which solvents need to be avoided.

PRIMARY FUNCTION of BYK W 9010:
Wetting and dispersing of inorganic fillers and pigments in solvent-free or low-solvent thermoset resin systems.
Byk

KEY BENEFITS & CHARACTERISTICS of BYK W 9010:
*Solvent-free / 100% active — Byk W 9010 enables wetting/dispersing where solvent evaporation must be avoided.

*Improves filler wetting & dispersion — Byk W 9010 reduces tendency to form agglomerates and helps reach higher filler loadings while maintaining workable viscosity.

*Improves flow / processing behaviour in highly filled thermoset systems (better resin flow in molding, pultrusion, casting).

*Polymeric (acidic) nature — Byk W 9010 is effective on mineral/inorganic fillers and pigments because of acidic/phosphoric functionalities that promote interaction with filler surfaces.

PRACTICAL USAGE & PROCESSING TIPS (FROM TECHNICAL NOTES / APPLICATION GUIDANCE) of BYK W 9010:
How to incorporate: Add Byk W 9010 to the resin mixture prior to homogenization and before addition of fillers/pigments to achieve best wetting and dispersion.
Avoid Byk W 9010 adding after filler has been dispersed.
Run lab trials to adjust mixing energy/time for your filler/resin system.

COMPATIBILITY of BYK W 9010:
Byk W 9010 is designed for unsaturated polyester and epoxy systems; compatibility tests are recommended for UV or specialized resin systems.
Not all wetting agents are suitable for every resin chemistry (e.g., some products may be unsuitable for cobalt accelerated polyester systems).

KEY BENEFITS & CHARACTERISTICS of BYK W 9010:
*Solvent-free, 100% active material
*Excellent filler wetting capability
*Viscosity reduction in highly filled systems
*Compatible with polyester, epoxy, polyurethane, adhesives
*Byk W 9010 improves throughput / processability
*Byk W 9010 improves stability of filled systems
*Wetting and dispersing additive for filled, unsaturated polyester systems and epoxy systems.

ADVANTAGES of BYK W 9010:
• Does not contain solvent.
• Effectively wets and disperses inorganic fillers.
Processing technology:
• SMC/BMC

PROCESSING FEATURES of BYK W 9010:
• Stir thoroughly before use.
• Byk W 9010 and room temperature should be room temperature.
• Add reagents in accordance with the technical documentation for Byk W 9010.
• Before manufacturing Byk W 9010, make a test sample to check the declared properties of the material, curing rate and polymerization time.

STORAGE of BYK W 9010:
• Store Byk W 9010 away from sunlight, in the original container with the lid tightly closed.
• The packaged product is not subject to long-term storage and must be processed as soon as possible.
• Recycle opened packaging as soon as possible.
• Shelf life is 12 months in the original packaging.

INDUSTRY of BYK W 9010:
Adhesives, Automotive & Transportation, Building & Construction, Wind Energy

SPECIAL FEATURES AND BENEFITS of BYK W 9010:
Byk W 9010 is solvent-free wetting and dispersing additive (100% active substance) to wet inorganic fillers (and inorganic pigments) in systems in which solvents need to be avoided.

TYPICAL COMPOSITION / CHEMICAL FAMILY of BYK W 9010:
Chemical family / type:
Phosphoric acid ester / phosphoric derivative, described in supplier technical data as a copolymer with acidic groups (phosphoric acid ester functional groups).

OTHER PROPERTIES of BYK W 9010:
*Agency Ratings,
*Additives Category,

PROCESSING of BYK W 9010:
Find specific processing information for BYK as well as general information for the Additive -- Compatibilizer / Adhesion Promoter generic family.
Byk W 9010 is a solvent-free wetting and dispersing agent.
Byk W 9010 is particularly recommended for adhesives based on epoxy resins and UV systems.
Recommended dosage level of Byk W 9010 is 0.5-1% based on the filler.
Byk W 9010 has shelf life of 60 months.
Wetting and dispersing additive for filled, unsaturated polyester systems and epoxy systems.

RECOMMENDED LEVELS of BYK W 9010:
0.5-1% additive (as supplied) based upon fillers for wetting and dispersion.
0.25-1% additive (as supplied) based upon resin for stabilizing the viscosity in BMC.
The above recommended levels can be used for orientation.
Optimal levels are determined through a series of laboratory tests.

INCORPORATION AND PROCESSING INSTRUCTIONS of BYK W 9010:
Byk W 9010 should be added to the resin mixture prior to homogenization and the addition of the fillers/pigments.
Adhesives & Sealants

SPECIAL FEATURES AND BENEFITS of BYK W 9010:
Solvent-free wetting and dispersing additive (100% active substance) to wet inorganic fillers (and inorganic pigments) in systems in which solvents need to be avoided.

PHYSICAL and CHEMICAL PROPERTIES of BYK W 9010:
Form / Appearance: Liquid, solvent-free (100% active).
Density (20 °C): ≈ 1.16 g·cm⁻³.
Acid value: ≈ 129 mg KOH / g (reported in product data).
Refractive index (20 °C): ≈ 1.469.
Water content: ≈ 0.02%.
Active substance: 100% (solvent-free).

Typical storage / shelf life: 60 months in unopened original packaging under recommended storage conditions.
Product Name: BYK-W 9010
CAS Number (product): Not applicable / Not assigned
EC Number (product): Not applicable / Not assigned
Molecular Formula: Not applicable (formulated mixture)
Molecular Weight: Not applicable (formulated mixture)

Main Components (from SDS/TDS)
1) Phosphoric acid polyester (polymeric phosphate ester)
CAS Number: 162627-22-7
EC Number: Not available (polymeric substance)
Molecular Formula: Variable (polymeric structure)
Molecular Weight: Variable (polymeric range)
Synonyms: polyphosphoric acid polyester, phosphate ester polymer

Appearance: Clear to slightly yellow liquid
Product Type: 100% active, solvent-free wetting and dispersing additive
Density (20 °C): ~1.16 g/cm³
Acid Value: ~129 mg KOH/g
Refractive Index (20 °C): ~1.469
Water Content: ~0.02%
Active Content: 100%
Chemical Family: Phosphoric Derivatives
Compatible Polymers & Resins: Epoxies (EP), Unsaturated Polyester (UPE)
Processing Methods: Pultrusion

FIRST AID MEASURES of BYK W 9010:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of BYK W 9010:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of BYK W 9010:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of BYK W 9010:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of BYK W 9010:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of BYK W 9010:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available