Hydroxyl Acrylic Resin SE6672
SE6672 is recommended for varnishes and clearcoats, topcoats for
steel and plastics, and high gloss one-coat metallic finishes for
car refinishes and industrial applications.it exhibits good
exterior durability, good build and gloss, high end hardness and
good adhesion results on metallic base coats.
1. Features
High gloss, high fullness, excellent levelling property, fast
drying, high hardness, excellent chemical resistance
2. Applications
PU finishing varnish, car, motorcycle finishing varnish
3. Properties
| Component | Appearance | Fe-Co Color | Viscosity Pa.s/25℃ | Non-volatile % | Acid value mgKOH/g | Solvent | Hydroxyl value |
| Acrylic copolymer | Clear | <1 | 3-6 | 65±2 | 3-6 | XYL/TOL/BAC | 100 |
4. Compatibility and solubility
| XYL | + | BCS | + |
| Trimethylbenzene | + | CAC | + |
| BAC | + | CYC | + |
Remark:+ show soluble in/compatible in
5. Reference formula
| Two component (gloss black paint | Diluent |
| (A component)) |
| SE6672 | 65 | XYL | 40 |
| Carbon black powder | 3 | TOL | 5 |
| BYK-306 | 0.2 | BAC | 25 |
| EFKA2018 | 0.1 | CAC | 15 |
| EFKA4010 | 3 | PMA | 15 |
| 10%sn | 0.2 | | |
| BAC/XYL | 29.7 | | |
| (B component) Bayer N3390 | | | |
A component: B component: diluent=100: 14: 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 | 30min(26μm) |
| Hard drying | Finger pressing method | ------ | No finger print | 24h(26μm) |
| 8h hardness | Pencil scratch | GB/T6739-96 | ----- | <HB |
| 24h hardness | Pencil scratch | GB/T6739-96 | ----- | H |
| Gloss | 60 degree | GB/T9754-88 | ≥90 | 98 |
| Hardness | Pencil scratch | GB/T6739-96 | ≥2H | 2H |
| Impact | Impact method | GB/T1732-93 | ≥30kg.cm | 50cm(26μm) |
| 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 cavity | Qualified |
| Ageing resistance | QUV machine | ----- | 600h non discolouring, not falling off, gloss loss rate≤1% | Qualified |
| Acid resistance | Soaking method | GB/T9274-88 |
10%H2SO472h not bubbling, not falling off, not discoloring
| Qualified |
| Alkaline resistance | Soaking method | GB/T9274-88 |
5%NaOH48h not bubbling, not falling off, not discoloring
| 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.
