TEGO® Wet 251

TEGO® Wet 251 is a highly active siloxane-based substrate wetting additive. It shows good substrate wetting properties and is suitable for a broad range of coatings. It is very compatible and recoatable.

Principal: Evonik Corporation Coating Additives

Chemical Family: Siloxanes

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Enhanced TDS

Identification & Functionality

Chemical Family
Siloxanes
Chemical Name
2-Methyloxirane polymer with oxirane mono[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxanyl]propyl] ether
Country of Origin
United States of America (USA)
Function
Wetting Agent
Product Code
MITM11841
Product Functions
Wetting Agent
Technologies
CASE
Product Families
CASE — Additives
Dispersing & Wetting Additives

Features & Benefits

Product Features
Anti-Cratering,
Defoaming,
Good Compatibility,
Improved Substrate Wetting,
Improves Flow,
Recoatability,
Reduces Surface Tension

Applications & Uses

Markets
Paints & Coatings
Applications
Paints & Coatings — Automotive & Transportation
Other Automotive & Transportation Coatings
Paints & Coatings — Building & Construction
Wood Coatings & Finishes
Paints & Coatings — Industrial Coatings
Industrial Coatings
Processing Information
  • Addition as supplied is recommended.
  • Addition at the let-down stage is recommended.

Regulatory & Compliance

Compliance (Regulatory)
Clean Air Act (CAA), Section 112,
Clean Water Act (CWA), Section 311,
Comprehensive Environmental Response, Compensations & Liability Act (CERCLA)
Manufacturing Facility Standards
ISO 14001,
ISO 14001:2015,
ISO 50001,
ISO 9001

Packaging & Availability

Packaging Type
Drums,
Pails

Principal Information

Group Principal Number
S000006
Principal
Evonik Corporation Coating Additives

Storage & Handling

Storage Conditions

When stored in an original unopened packaging between -40 and +40°C, the product has a shelf life of at least 60 months from the date of manufacture.

Other

Appearance
Clear liquid
Color (SDS)
Pale yellow
IATA/ICAO Proper Shipping Name
Environmentally Hazardous Substance, Liquid, N.O.S. (Polyethersiloxane)
IATA/ICAO UN Number
UN3082
IMO/IMDG EmS Fire
F-A
IMO/IMDG EmS Spill
S-F
IMO/IMDG Proper Shipping Name
Environmentally Hazardous Substance, Liquid, N.O.S. (Polyethersiloxane)
IMO/IMDG UN Number
UN3082
Item Number
ITM18676,
ITM18771
Material Compatibility
Wood Substrate
Odor (SDS)
Characteristic
Other Hazards
Hazard(s) not otherwise classified (HNOC): None.
Oxidizing Properties (SDS)
not oxidizing
Physical Form
Liquid
Processing & Application Methods
Spraying
Product End Uses
Clearcoat,
Plastic Coating,
Waterborne Coating,
Wood Coating
Protect from Freezing
No
Soluble In
Acetone Soluble,
Butyl Acetate,
Ethanol Soluble,
Mineral Spirit Soluble,
Tripropylene Glycol Diacrylate (TPGDA),
Water Soluble
Temperature Control
No
USA/DOT Emergency Response Guide Number
171
USA/DOT Proper Shipping Name
Environmentally Hazardous Substance, Liquid, N.O.S. (Polyethersiloxane)
USA/DOT UN Number
UN3082
Application Information
ValueUnitsTest Method / Conditions
Dosage (Use Level)0.1-1.0%
Material Composition
ValueUnitsTest Method / Conditions
Active Content100.0%
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Boiling Point (SDS)min. 200.0°CDIN EN 22719
Density (SDS)1.01g/cm³DIN 51757 at 25°C
Flash Point (SDS)min. 140.0°CDIN EN 22719
Freeze Point (SDS)max. 0.0°C
Kinematic Viscosity (SDS)40.0-89.0mm²/sDIN 53019 at 25°C
Viscosity (SDS)40.0-90.0mPa.sDIN 53019 at 25°C
pH (SDS)6.0-8.0-at 25°C, 40g/l, in water
Shelf Life & Stability
ValueUnitsTest Method / Conditions
Shelf Life60.0mo