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UCECOAT® 7689 is a translucent liquid designed for the building and construction and paints and coatings markets. With labeling claims of being solvent-free and VOC-free, this radiation-curable and waterborne coating is tailored for applications such as wood coatings and finishes, decorative paints, industrial coatings, and other specialty coatings on wood surfaces. It offers flexibility in application methods like curtain coating, roller, and spray techniques, ensuring versatile use and optimal performance.

Chemical Family: Polyurethanes (PU)

End Uses: Radiation Curable Coating, Waterborne Coating

Compatible Substrates & Surfaces: Wood

Features: Faster Cycle Time, Good Metal Flake Orientation, Improved Chemical Resistance, Improved Flexibility, Long Potlife, Low Energy Consumption, Low Temperature-Curing, Outdoor Durability, Water Resistance

Technical Data Sheet

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Identification & Functionality

Chemical Family
CASE Ingredients Functions
CAS No.
1344-28-1
EC No.
215-691-6
Technologies

Features & Benefits

Labeling Claims
Performance Highlights

UCECOAT 7689 is characterized by:

  • Translucent appearance
  • Low viscosity
  • Tack-free after water evaporation

UV/EB cured products based on UCECOAT 7689 are characterized by the following performance properties:

  • Excellent outdoor resistance
  • High flexibility
  • Good chemical resistance

The actual properties of UV cured products also depend on the selection of the other formulation components, such as additives and photoinitiators.

Applications & Uses

Compatible Substrates & Surfaces
Cure Method
Recommended Uses & Known Applications

Formulated UV/EB curable products containing UCECOAT 7689 are typically applied by spray or curtain coating and by roller and T-bar in field applied applications. Additional methods may also be used.

UCECOAT 7689 is recommended for:

  • Topcoats for wood joinery already coated with a conventional basecoat (for outdoor application)
  • Field applied clear coatings on wood, concrete, VCT, and resilient flooring especially when non-yellowing properties are desired

Properties

Physical Form
Appearance
Translucent liquid
Typical Properties
ValueUnitsTest Method / Conditions
Non-Volatile Matter33.5-36.5%
Particle Sizemax. 100nm
Density (25°C)1.07g/ml
pH Value7.0-8.5
Viscosity (25°C)max. 200cP

Safety & Health

Precautions

Before using UCECOAT 7689, see the Safety Data Sheet for information on the identified hazards of the material and the recommended personal protective equipment and procedures.

Packaging & Availability

Regional Availability
  • Africa
  • China
  • Europe
  • Latin America
  • Middle East
  • North America

Storage & Handling

Storage and Handling
  • Protect the product from freezing. Care should be taken not to expose the product to high temperature conditions or direct sunlight. Containers should be kept closed and away from materials that react with water. Bacteriological contamination can occur if the product is stored for an extended period in a container which is not sufficiently sealed or clean. Storage and handling should be in stainless steel, amber glass, or amber polyethylene containers.
  • After prolonged storage product can settle and may require agitation to re-disperse. This product is stable under normal conditions of handling and storage. Do not store this material under an oxygen free atmosphere. Wash thoroughly after handling. Use with adequate ventilation.
  • See the SDS for the recommended storage temperature range for UCECOAT 7689.