PT1S-720381 · Dusty Grey · Polyester-TGIC
PRICE PER KG
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Description
PT1S is a polyester-TGIC smooth powder coating designed for high-durability outdoor decorative and protective applications, with a 6–10 year weathering durability rating. It is suitable for markets outside Europe and meets the relevant requirements of AAMA 2603 and GB/T 5237.4-2017 (Class I) for architectural applications. With customized formulation, the curing temperature can be reduced to 160°C. It is suitable for metal coating systems requiring a smooth finish, stable gloss, and reliable basic weather resistance.
Key Features
Best Suited For
| Parameter | Value |
|---|---|
| Chemistry | Polyester-TGIC |
| Surface Effect | smooth medium gloss |
| Color Values | LAB: 55.15, -0.89, 0.26 RGB: 131, 132, 132 |
| Gloss at 60° | 40–80 GU |
| Specific Gravity | 1.2–1.8 g/cm³, depending on the final product formulation |
| Particle Size D50 | D₅₀: 30–45 μm; adjustable according to the coating application and product design |
| Film Thickness | 60–120 μm; high-build application shall be verified before use |
| Parameter | Value |
|---|---|
| Curing Conditions | 200°C × 10 min (workpiece temperature); low-temperature-curing products are available with a minimum curing temperature of 160°C |
| Application Guidelines | Suitable for manual or automatic electrostatic spray application. Other application methods, such as tribostatic spraying or electrostatic fluidised-bed coating, shall be specified in advance. |
| Test | Result | Standard |
|---|---|---|
| Initial Adhesion | Pass, 5B | ASTM D 3359 |
| Impact Resistance | 2.5 N·m, no coating detachment under direct impact | ISO 6272 |
| Hardness | ≥H | ASTM D 3363 |
| Bending | 6 mm; 8 mm for a two-coat system; no visible detachment | ISO 1519 |
| Cupping Test | ≥5 mm, no visible cracking | ISO 1520 |
| Humidity Resistance Test (1500 h) | 38°C/100% RH, no visible blistering failure | ASTM D2247 |
| Xenon-Arc Weathering (1000 h) | Gloss retention ≥50%; colour change within the specified limit | ISO 16474-2 |
| Cyclic Corrosion (1000 h) | Failure rating within the scribed area: ≥9; rating of the unscribed area: 10 | ASTM G85 Appendix A5 |
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