White Powder EINECS: 259-224-4 Matt Hardener Use For Pure Epoxy And Hybid Type Indoor Powder Coatings
Description
HF65 is a kind of matting agent based on polyacrylate for hybrid systems, providing the properties of color stable, low gloss of the powder coating. HF65 is an effective matting agent without adjusting the ratio of epoxy and polyester in formulation.
Technical Data
Appearance: white or yellowish powder Soft point: 100-140°C
Solid content: Min. 99.0%
Application
-HF65 is suitable for 50/50, 60/40 hybrid systems. Normally select 50/50 polyester with slow reactivity, for low gloss, better mechanical performance and storage ability.
-The combination of different kind of polyester resins with different acid value may lead to the very good matting effect, weak selectivity to polyester resin.
-Wax free matting agent, good recoat ability.
-The gloss level varies from the selected polyester resin and the applied formulation.
-Normally the dosage of HF65 is from 1 to 4.5% based on the total powder coating.
Formulation and Processing Guidelines
| Epoxy Resin, | 250 | 250 | 250 |
| Polyester Resin, 50/50, | 250 | 250 | 250 |
| Flow agent, | 8 | 8 | 8 |
| Pigment and Fillers,BaSO4, | 200 | 200 | 200 |
| Pigment , TiO2 | 200 | 200 | 200 |
| Benzoin | 1.5 | 1.5 | 1.5 |
| Matt Agent, Rimatt HF65, 1% | 9.5 | | |
| Matt Agent, Rimatt HF65, 2% | | 18.5 | |
| Matt Agent, Rimatt HF65, 3% | | | 28 |
| Gloss@60 Deg. % | 18 | 10 | 8 |
*Curing condition: 15Min@180°C, 10Min@200°C
Packing
25kgs net per paper bag
Storage andHandling
Store it in the cool and dry place and close packages after use to avoid moisture
