Xiamen WangQin Chemical Technology Co., Ltd.
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SE6672 is recommended for varnishes and solid color paints, topcoats for steel and plastics, and high gloss one-coat metallic finishes for car refinishes and motorcycle finishing varnish.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, excellent weather resistance, excellent chemical resistance and pigment dispersity.
2. Applications
PU top coat, motorcycle, home appliances cover light varnish, colored paint.
3. Properties
| Component | Appearance |
Fe-Co Color |
Viscosity Pa.s/25℃ |
Non-volatile % |
Acid value mgKOH/g |
Solvent | Hydroxyl value |
| Acrylic copolymer | Clear | ≤1 | 4-8 | 70±2 | 6-12 | BAC | 100 |
4. Compatibility and solubility
| XYL | + | BCS | + |
| TYL | + | CAC | + |
| BAC | + | CYC | + |
| PMA | + | NBA | + |
Remark:+ show soluble in/compatible in
5. Reference formula
| Two component (cover light varnish) | Diluent | ||
| (A component) | |||
| SE6775E | 70.0 | BAC | 60 |
| BYK-333 | 0.3 | CAC | 20 |
| 10%sn | 0.4 | PMA | 20 |
| BYK-052 | 0.1 | ||
| BAC | 29.2 | ||
| (B component) Bayer N3390 | |||
A component: B component: diluent=100: 22: 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 | 40min(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 | 96 |
| 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 | ----- |
1000h 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.