Anti-graffiti powder coating/
Brief description
This series of products is based on saturated hydrocarbon polyester resin and isocyanate curing agent as the main base material, with the following excellent properties: super weather resistance, high corrosion resistance, high resistance to chemical solvents, high scratch resistance, thermosetting polyurethane powder coating.
Coating properties
| Mechanical properties |
Impact |
GB/T1732-93 |
50kg*cm |
| Bending |
GB/T6742-86 |
Φ2mm |
| Cupping |
GB/T9286-88 |
>6mm |
| Adhesion |
GB/T9286-88 |
Grade 0 |
| Hardness |
GB/T6739-86 |
≥3H |
| Boiled |
in 96-100C distilled water for 2 hours |
No discoloration or blistering |
| Corrosion resistance |
Acid resistance |
5%H2SO4 |
1 year |
No discoloration or blistering |
| 48%HCL |
1 month |
| 5%HAC |
1year |
| 5%H3PO4 |
1year |
| Alkali resistance |
5%NaOH |
30 days |
No discoloration or blistering |
| 5%NaCO3 |
|
| Solvent resistance |
Acetone |
Brush 50 times |
No discoloration or blistering |
| Xylene |
| Methyl ethyl ketone |
| Gasoline |
| Alcohol |
| Ethyl acetate |
| Salt spray resistance |
GB1771-91 |
1000 hours |
No change in coating film, single-sided corrosion at the cross section <2mm |
| Heat and humidity resistance |
GB1740-79 |
1000hours |
Slight gloss loss of film, <1 level |
| Weather resistance |
ASTM G154 QUV |
1000hours |
Gloss retention rate ≥80% |
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