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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