Knowde Enhanced TDS
Identification & Functionality
- CASE Ingredients Functions
- Technologies
Features & Benefits
- Product Highlights
BENEFITS
- Very fast reaction speed
- Good adhesion properties
- Very high electrostatic resistivity
APPLICATION AREAS
- General industrial baking formulations
- Primer formulations
- Electrostatic spray application
Applications & Uses
- Markets
- Compatible Polymers & Resins
- Coating Type
Properties
- Physical Form
- Appearance
- Clear Liquid
- Insoluble in
- Water
- Partially Soluble in
- Aliphatic Hydrocarbons
- Typical Properties
- Solubility & Compatibility
SOLUBILITY
Alcohol Complete Esters Complete Ketones Complete Aromatic hydrocarbons Complete Aliphatic hydrocarbons Complete Water Insoluble COMPATIBILITY
Acrylic resins Medium Alkyd resins Very good Polyester resins Good Epoxy resins Good Nitrocellulose Good Cellulose acetate butyrate Good Polyvinyl butyrate Good
| Value | Units | Test Method / Conditions | |
| Color | max. 50 | APHA | — |
| Non-Volatile Content | 63 ± 2 | %wt | — |
| Free Formaldehyde Content | approx. 0.4 | % | — |
| Viscosity (23°C) | 1700-2600 | mPa.s | — |
Technical Details & Test Data
- Backbone Polymer Selection
CYMEL UB-24-BX resin is a very effective crosslinking agent for backbone polymer resins containing hydroxyl, carboxyl, and amide functional groups, such as those found on alkyd, polyester or acrylic resins. Although the optimum level of CYMEL U-24-BX resin in a given formulation should be determined experimentally, ratios of 25-35%, based on resin solids, are typically most effective over a range of polymer backbone resins.
- Catalysis
In baking enamels, CYMEL UB-24-BX resin may not need the addition of an acid catalyst to the formulation to obtain effective cure. In many instances, the acidity of the backbone polymer in the formulation is sufficient to catalyze the reaction under normal baking conditions (15-20 minutes at 120-150°C). If catalyst addition is required, then 0.5-1.0% of CYCAT® 4040 catalyst or CYCAT 296-9 catalyst based on total resin solids is recommended.
- Stability
FORMULATION STABILITY
The stability of baking enamels containing CYMEL U-24-BX resin can be enhanced by the addition of alcohols, amines or combination of these. Low molecular weight primary alcohols, such as n-butanol, are most effective. Recommended amines are TEA, DMEA or 2-AMP at a concentration of 0.5-1.0% on total binder solids. Ambient cure systems are usually stabilized only by addition of adequate amounts of primary alcohol, such as ethanol or butanol.
STORAGE STABILITY
CYMEL U-24-BX resin has a shelf life of 24 months from date of manufacture when stored at temperatures between 5°C and 30°C. Although lower 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
- 24 months