Polyvinyl acetate powder coating
Brief description
It is made of German and multi-head trees and chemicals such as TGIC or HAA.
Features
Excellent mechanical properties and excellent weather resistance.
Application areas
Applicable to various types of long-term outdoor exposure products such as communication base stations, mechanical equipment, household appliances, architectural aluminum profiles, transportation facilities, stadium facilities, courtyard facilities, etc.
Product series
Provide standard weather resistance and ultra-high weather resistance products; can be made into a variety of gloss and a variety of colors; can be made into flat, sandy, wrinkled, metallic effects and mixed colors; some products are certified by Qualicoat Classl.
Technical parameters
Powder performance
Specific gravity: 1.1~1.8g/cm³
Mechanical properties
| Test items | Test standards | Performance indicators |
|---|---|---|
| Pencil hardness | GB/T6739-1996 | >=H |
| Adhesion | GB/T9286-1998 | Grade 0 |
| Bending | GB6742-86 | Φ3mm |
| Impact | GB/T1732-93 | 50kg.cm |
| Cupping | GB9753-88 | >6mm |
Corrosion resistance
| Test items | Test standards | Performance indicators |
|---|---|---|
| Salt spray resistance | GB/T1771-91 | No change in coating after 1000 hours, Cross-section single-sided corrosion <2mm |
| Moisture and heat resistance | GB/T1740-79 | >1000 hours slight loss of gloss, >=1 level |
| Light aging test ASTM G154 QUV 0.78w/m² @340nm 500H | Gloss retention ≥80% | |
Note: The above parameters are laboratory data and are for reference only. The actual indicators are related to factors such as customer environment, equipment, materials, pretreatment, and spraying process.
Application conditions
Pretreatment: phosphating treatment, inscription treatment; Coating: Polyester powder coating is suitable for the following equipment coating: corona electrostatic spraying, friction electrostatic spraying, electrostatic fluidized bed spraying. Curing conditions: 200·C@10 minutes, 1800C@15 minutes, can also be designed according to customer needs.
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