Knowde Enhanced TDS
Identification & Functionality
- CASE Ingredients Functions
- Technologies
Features & Benefits
- Product Highlights
BENEFITS
- Fast cure response in both ambient and forced cure applications
- Extended catalyzed coating stability
- Very low free formaldehyde
APPLICATION AREAS
Industrial wood coatings
Applications & Uses
- Markets
- Compatible Polymers & Resins
- Compatible Substrates & Surfaces
Properties
- Physical Form
- Appearance
- Clear Liquid
- Insoluble in
- Water
- Typical Properties
- Solubility & Compatibility
SOLUBILITY
Alcohol Complete Esters Complete Ketones Complete Aromatic hydrocarbons Complete Water Insoluble COMPATIBILITY
Acrylic resins Very good Alkyd resins Very good Polyester resins Very good
| Value | Units | Test Method / Conditions | |
| Color | max. 70 | APHA | — |
| Non-Volatile Content | min. 98 | %wt | — |
| Free Formaldehyde Content | max. 0.1 | % | — |
| Viscosity (23°C) | 6000-12000 | mPa.s | — |
Technical Details & Test Data
- Backbone Polymer Selection
CYMEL 304 has excellent compatibility with a wide variety of polyols, such as alkyd, acrylic, and polyester resins. Polyols with primary hydroxyl functionality are preferred for fast cure at ambient conditions. The effective equivalent weight of CYMEL 304 resin is approximately 150, however, its optimum loading should be determined experimentally for each formulation with consideration of the performance properties to be optimized.
- Catalysis
CYMEL 304 resin requires the addition of a sulfonic acid catalyst, such as CYCAT® 4040 catalyst, at levels of 6-10% on total resin solids in order to obtain effective cure for both ambient and heat cured applications. For pre-catalyzed urea-rich systems, 2.0% PAP based on weight of total binder solids is recommended.
- Stability
FORMULATION STABILITY
The stability of formulated systems containing CYMEL 304 resin can be enhanced by the addition of primary alcohols, such as methanol, ethanol, and butanol. Higher concentrations will improve catalyzed pot life. Faster evaporating alcohols will improve speed of dry.
STORAGE STABILITY
CYMEL 304 resin has a shelf life of 1440 days from the date of manufacture when stored at temperatures below 32°C. Although low temperatures are not detrimental to stability, its viscosity will increase, possibly making the resin difficult to pump or pour. The viscosity will reduce again on warming, but care should be taken to avoid excessive local heat, as this can cause an irreversible increase in viscosity.
Storage & Handling
- Shelf Life
- 1440 Days