Overview
HYH251 General-Purpose Hardener (Accelerator-Free) HYH251 is an accelerator-free phenolic hardener developed for powder coating applications. It is especially suitable for functional powder coatings requiring balanced mechanical properties and superior chemical resistance, such as powder coatings for pipelines, valves and steel rebars. Customers shall add accelerators at different ratios according to required gel time and target performance during application.
Technical Specifications
| 产品牌号 | Appearance | Softening Point (℃) | Phenolic Hydroxyl Equivalent (g/eq) |
|---|---|---|---|
| HYH251 | White to pale yellow solid flakes | 75–85 | 230–270 |
Packaging
25kg/bag with inner plastic liner
Precautions
①Store in a dry and well-ventilated area
Recommended storage temperature shall not exceed 35°C
②Protect from sunlight and rain during transportation
Keep away from ignition sources and heat sources and avoid direct sun exposure
③Avoid contact with skin and eyes; do not inhale dust
Wash exposed skin thoroughly after handling
④Shelf life: 12 months from the date of production