Dx51d SGCC HDGI Prepainted Galvanized Steel Coil 0.135-0.4mm Thickness with Magnetic Grid for Whiteboards
High-quality prepainted white color coated steel coils with magnetic grid pattern, specifically designed for whiteboard applications and household appliance manufacturing.
Our prepainted galvanized steel coils feature a cold-rolled galvanized base with high-polymer paint coating, offering excellent processability and superior corrosion resistance. The magnetic grid whiteboard surface provides ideal functionality for writing applications while maintaining a premium appearance.
- Superior crush resistance and paint adhesion - no paint peeling
- High-gloss finish with smooth surface texture (≥100 GU)
- Magnetic grid pattern in 25mm×25mm or 50mm×50mm sizes
- Environmentally friendly manufacturing process
- Cost-effective alternative to powder and spray paint materials
- Excellent formability and durability characteristics
| Parameter | Specification |
|---|---|
| Thickness | 0.135mm - 0.4mm |
| Width | 600mm - 1380mm (Customizable) |
| Gloss Level | ≥100 GU |
| Pencil Hardness | 3-4H |
| Grid Line Size | 25mm×25mm, 50mm×50mm |
| Minimum Order Quantity | 25 tons |
- Whiteboard and magnetic board manufacturing
- Household appliance panels and shells
- Construction roofing sheets and wall panels
- Ventilation ducts and partition panels
- Refrigerator, washing machine, and microwave components
PPGI (Pre-Painted Galvanized Iron) is manufactured using hot-dip galvanized steel coil as substrate. The process includes surface pretreatment, application of one or more liquid coating layers via roll coating, followed by baking and cooling. Coatings include polyester, silicon modified polyester, and other high-durability formulations for enhanced corrosion resistance and formability.
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