Hydroxyl Acrylic Resin for top coatings SE6790
SE6790 is a two-component hydroxyl acrylic resin, it has high solid
content, good weather resistance excellent flow and leveling, good
flexibility and other characteristics.
Recommended applications: automobile refinishing paint, motorcycle
finishing varnish , topcoats for steel and plastics.
1. Features
High solid, high gloss, high fullness, excellent levelling
property, excellent weather resistance and chemical resistance.
2. Applications
PU glazing paint, car, motorcycle, home appliances cover light
varnish.
3. Properties
| Component | Appearance | Fe-Co Color | Viscosity Pa.s/25℃ | Non-volatile % | Acid value mgKOH/g | Solvent | Hydroxyl value |
| Acrylic ester copolymer | Clear | ≤1 | 2-7 | 70±2 | 2-5 | BAC | 150 |
4. Compatibility and solubility
Remark:+ show soluble in/compatible in
5. Reference formula
| Two component (varnish) | Diluent |
| (A component) |
| SE6790 | 80 | XYL | 40 |
| BYK-333 | 0.2 | TOL | 5 |
| BYK-306 | 0.3 | BAC | 25 |
| BYK-052 | 0.1 | CAC | 15 |
| PMA | 8.0 | PMA | 15 |
| 10% sn | 0.4 | | |
| BAC/XYL | 11.0 | | |
| (B component) Bayer N3390 | | | |
A component: B component: diluent=100: 35: 80~100
6. Process conditions
▲ Baking condition: (1) 65℃ x 60min, place 24hours for test
(2) Air drying
▲ Substrate: Sand plate tin
7. Test technical index
| Test Item | Test Method | Reference Standard | Test Standard | Test Result (reference value) |
| Surface drying | Blow cotton ball method | ------ | Not stick cotton ball | 38min(25μm) |
| Hard drying | Finger pressing method | ------ | No finger print | 24h(25μm) |
| 8h hardness | Pencil scratch | GB/T6739-96 | ----- | <HB |
| 24h hardness | Pencil scratch | GB/T6739-96 | ----- | HB |
| Gloss | 60 degree | GB/T9754-88 | ≥90 | 120 |
| Hardness | Pencil scratch | GB/T6739-96 | ≥2H | 2H |
| Impact | Impact method | GB/T1732-93 | ≥30kg.cm | 50cm(25μm) |
| Flexibility | Bending method | GB/T1731-93 | ≤2mm | 1mm |
| Adhesion | The case method | GB/T9286-98 | 100% | 100% |
| Fullness | Visual method | ----- | Excellent fullness, good brightness | Excellent |
| Levelling property | Visual method | ----- | Flat and smooth, no shrinkage hole | Qualified |
| Ageing resistance | QUV machine | ----- | 800h no color change, not falling off, gloss loss rate≤1% | Qualified |
| Acid resistance | Soak method | GB/T9274-88 | 10%H2SO4 72h not bubbling, not falling off, no color change | Qualified |
| Alkali resistance | Soak method | GB/T9274-88 | 5%NaOH 48h not bubbling, not falling off, no color change | Qualified |
8. Safe storage and shelf life
1. Stored in cool and ventilation place, keep far away from heat
and fire resources, keep the container closed.
2. From production date, shelf life is 12months.
9. Packing specifications
200kg/pail (new metal pail)
10. Safety
This product contains solvent, must do safeguard procedure, handle
carefully, avoid contact with the skins and eyes, for other
details, please refer to MSDS of this product.
