Hydroxyl Acrylic Resin for metal substrates SE6625
Se 6625 is a hydroxyl functional acrylic resin, which has excellent
adhesion to all the common metal substrates. It gives excellent
inter-coat adhesion with various types of topcoats and gives
superior topcoat hold-out.
1. Features
Excellent adhesion to non-ferrous metals, excellent recoatability
2. Applications
Metal paint, coloured paint, non-ferrous metals substrates,
advertising paint resin
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 | 3-6 | 60±2 | 6-10 | XYL/BAC/TOL | 55 |
4. Compatibility and solubility
| XYL | + | BCS | + |
| TYL | + | CAC | + |
| BAC | + | IBA | + |
| CYC | + | NBA | + |
Remark:+ show soluble in/compatible in
5. Reference formula
| White paint | Diluent |
| (A component)) |
| SE6625 | 60 | XYL | 50 |
| Titanium dioxide | 30 | TOL | 10 |
| BYK-306 | 0.2 | BAC | 15 |
| BYK-052 | 0.1 | CAC | 15 |
| Dispersing agent | 1 | MIBK | 10 |
| BAC | 8.7 | | |
| (B component) Bayer N3390 | | | |
A component: B component: diluent=100: 8.4: 80~100
6. Process conditions
▲ Baking condition: (1) 65℃ x 60min
(2) Air drying
▲ Substrate: 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 | 25min |
| Hard drying | Finger pressing method | ------ | No finger print | 8h |
| 8h hardness | Pencil scratch | GB/T6739-96 | ----- | HB |
| 24h hardness | Pencil scratch | GB/T6739-96 | ----- | H |
| Gloss | 60 degree | GB/T9754-88 | ≥85 | 92 |
| Hardness | Pencil scratch | GB/T6739-96 | ≥HB | H |
| Adhesion | The case method | GB/T9286-98 | 100% | 100% |
| Levelling property | Visual method | ----- | Flat and smooth, no shrinkage hole | Qualified |
| Alcohol resistance | Wiping method | ----- | No exposing base for 100 times(500g) | 49times (13um) |
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.
