Post-forming powder coatings
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Introduction
Chemical Type: Epoxy/Polyester or Pure Polyester
Appearance: Depends on specific product
Curing Conditions (Workpiece Temperature): 200℃: /5min Improper curing may result in loss of color, gloss, and coating performance.
Gloss: Depends on specific product
Storage Conditions: Store in a cool, dry place, sealed, <30℃
Shelf Life: 6 months (<30℃), 12 months (<25℃)
1. Excellent bending flexibility, passes 0T test.
2. Can achieve rapid curing within 5 minutes.
3. Rich and varied colors, with glossy/matte/sandblasted/textured finishes and effects to choose from.
4. Revolutionizes traditional processing techniques, creating value for customers.
Application
The post-forming powder coating series is suitable for products that require secondary processing such as stamping, bending and stretching after baking and curing of boards, profiles, preforms or semi-finished products. It has extremely high requirements for flexibility and can be widely used in the building materials industry, IT industry, home appliance industry and door and window industry.
Features
| Item | Specification |
|---|---|
| Chemical Type | Epoxy/Polyester or Pure Polyester Type |
| Appearance | Depends on specific product |
| Curing Condition (Workpiece Temperature) | 200℃ / 5min; improper curing may cause loss of color, gloss, and coating performance |
| Gloss | Depends on specific product |
| Storage Condition | Sealed and stored in a dry, cool place below 30℃ |
| Shelf Life | 6 months (<30℃), 12 months (<25℃) |
| Packaging Specification | 25kg/carton |
Technical indicators
Note: Substrate and pretreatment: Mechanical property testing used 0.6mm thick degreased cold-rolled steel sheet; corrosion aging resistance testing used 0.6mm thick zinc-based phosphated steel sheet or chromated aluminum sheet.
• Film thickness: 60-80μm
• Curing conditions: 200℃/5min (workpiece temperature)
| Item | Index | Test Standard |
|---|---|---|
| Bending | Passed, curvature diameter 5mm | ASTM D522 |
| Passed, curvature diameter 1mm | GB/T 1731 | |
| Dry Adhesion | Passed, result 5B | ASTM D3359 |
| Passed, result Grade 0 | ISO 2409 | |
| Cupping Test | Passed, 5mm, no cracking/peeling | ISO1520 |
| Passed, 5mm, no cracking/peeling | GB/T 9753 | |
| Impact Resistance (Direct Impact) | ≥50kg·cm | ASTM D2794 |
| ≥50kg·cm | GB/T 1732 | |
| Pencil Hardness | ≥H | ASTM D3363 |
| ≥H | GB/T 6739 | |
| Flexibility | Passed OT test | / |
| Water Mist Resistance | Passed, 1000h, no blistering or loss of gloss | ASTM D1735 |
| Water Immersion Resistance | Passed, 24h, no blistering or loss of gloss | ASTM D870 |
| Neutral Salt Spray | Passed, 500h, no blistering/rusting; single-side corrosion at scribe ≤2mm | ISO 9227 |
Construction Reference
Manual or automatic spraying equipment can be used, ensuring a clean air source.
Atomizing air pressure: ~0.7 bar
Primary air pressure: ~0.7 bar
Recommended voltage: 40~90kV
Safety warning: When using spraying equipment, ensure proper ventilation and dust collection systems are functioning correctly. Workers must take appropriate protective measures and wear suitable protective equipment. For more detailed information, please refer to the safety information sheet for the corresponding product.
Types of powder coating
Powder coatings can be categorized by resin system (epoxy, polyester, hybrid, polyurethane), appearance (smooth, texture, hammer, metallic, pearlescent), or performance level (anti-corrosion, heat-resistant, UV-resistant, architectural grade, automotive grade).
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