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The powder coating line for metal coils/sheets can be applied to steel or aluminum coils and sheets. It replaces traditional paint with high-performance powder coatings, utilizing electrostatic adsorption to achieve uniform powder coverage on the substrate, followed by high-temperature melting to form a high-performance coating. This technology represents a complete revolution in the production mode of traditional pre-painted metal sheets, delivering energy savings of over 30%. The resulting coating offers significant advantages such as high hardness, excellent corrosion resistance, and superior workability, making it widely applicable in construction, interior decoration, and household appliances.
Metal Coil / Sheet
| Production Line | Substrate Type | Process Speed (m/min) | Substrate Thickness (mm) | Substrate Width (mm) | Production Line Length (m) | Energy Medium | Process Flow |
| Single-sided powder coatings line | Galvanized / Aluminum-zinc / Zinc-aluminum - magnesium, Cold - rolled, Stainless steel | 20-120 | 1.0-2.0 | 700-1650 | 50-150 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → cooling → looper → shearing → recoiling |
| Double-sided powder coatings line | Galvanized / Aluminum - zinc / Zinc - aluminum - magnesium, Cold - rolled, Stainless steel | 20-120 | 1.0-2.0 | 700-1650 | 70-200 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation→ powder electrostatic coating → baking and curing → cooling → looper → shearing → recoiling |
| Single-sided coating with back film lamination line | Galvanized / Aluminum - zinc / Zinc - aluminum - magnesium, Cold - rolled, Stainless steel | 20-120 | 1.0-2.0 | 700-1650 | 70-200 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → back lamination → cooling → looper → shearing → recoiling |
| Single-sided coating with back paint line | Galvanized / Aluminum -zinc / Zinc-aluminum - magnesium, Cold-rolled, Stainless steel | 20-120 | 1.0-2.0 | 700-1650 | 100-200 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → painting → baking → cooling → looper → shearing → recoiling |
| Single-sided powder coatings line | Aluminum sheet | 20-120 | 0.1-3.0 | 600-2650 | 50-150 | Water / Electricity / Gas | Uncoiling → riveting→ looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → cooling → looper → shearing → recoiling |
| Double-sided powder coatings line | Aluminum sheet | 20-120 | 0.1-3.0 | 600-2650 | 70-200 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → cooling → looper → shearing → recoiling |
| Single-sided coating with back film lamination line | Aluminum sheet | 20-120 | 0.1-3.0 | 600-2650 | 70-200 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → back lamination → cooling → looper → shearing → recoiling |
| Single-sided coating with back paint line | Aluminum sheet | 20-120 | 0.1-3.0 | 600-2650 | 70-200 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → painting → baking → cooling → looper → shearing → recoiling |
The powder coating line for metal coils/sheets can be applied to steel or aluminum coils and sheets. It replaces traditional paint with high-performance powder coatings, utilizing electrostatic adsorption to achieve uniform powder coverage on the substrate, followed by high-temperature melting to form a high-performance coating. This technology represents a complete revolution in the production mode of traditional pre-painted metal sheets, delivering energy savings of over 30%. The resulting coating offers significant advantages such as high hardness, excellent corrosion resistance, and superior workability, making it widely applicable in construction, interior decoration, and household appliances.
Metal Coil / Sheet
| Production Line | Substrate Type | Process Speed (m/min) | Substrate Thickness (mm) | Substrate Width (mm) | Production Line Length (m) | Energy Medium | Process Flow |
| Single-sided powder coatings line | Galvanized / Aluminum-zinc / Zinc-aluminum - magnesium, Cold - rolled, Stainless steel | 20-120 | 1.0-2.0 | 700-1650 | 50-150 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → cooling → looper → shearing → recoiling |
| Double-sided powder coatings line | Galvanized / Aluminum - zinc / Zinc - aluminum - magnesium, Cold - rolled, Stainless steel | 20-120 | 1.0-2.0 | 700-1650 | 70-200 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation→ powder electrostatic coating → baking and curing → cooling → looper → shearing → recoiling |
| Single-sided coating with back film lamination line | Galvanized / Aluminum - zinc / Zinc - aluminum - magnesium, Cold - rolled, Stainless steel | 20-120 | 1.0-2.0 | 700-1650 | 70-200 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → back lamination → cooling → looper → shearing → recoiling |
| Single-sided coating with back paint line | Galvanized / Aluminum -zinc / Zinc-aluminum - magnesium, Cold-rolled, Stainless steel | 20-120 | 1.0-2.0 | 700-1650 | 100-200 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → painting → baking → cooling → looper → shearing → recoiling |
| Single-sided powder coatings line | Aluminum sheet | 20-120 | 0.1-3.0 | 600-2650 | 50-150 | Water / Electricity / Gas | Uncoiling → riveting→ looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → cooling → looper → shearing → recoiling |
| Double-sided powder coatings line | Aluminum sheet | 20-120 | 0.1-3.0 | 600-2650 | 70-200 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → cooling → looper → shearing → recoiling |
| Single-sided coating with back film lamination line | Aluminum sheet | 20-120 | 0.1-3.0 | 600-2650 | 70-200 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → back lamination → cooling → looper → shearing → recoiling |
| Single-sided coating with back paint line | Aluminum sheet | 20-120 | 0.1-3.0 | 600-2650 | 70-200 | Water / Electricity / Gas | Uncoiling → riveting → looper → degreasing and cleaning → passivation → powder electrostatic coating → baking and curing → painting → baking → cooling → looper → shearing → recoiling |
