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Practical guides to help you choose the right color coated steel for your products.

PE SMP HDP coating comparison
October 15, 2026

How to Choose the Right Coating Type (PE / SMP / HDP) for Appliance Steel

PE (polyester) is the most economical choice for indoor appliance panels with good flexibility; SMP offers better weather resistance for semi-outdoor use; HDP (high durability polyester) provides superior corrosion and UV resistance with 15+ years warranty — ideal for water heater jackets and outdoor unit cabinets. For indoor refrigerator and washing machine applications, PE with 15–20 μm top coat is usually the best cost-performance choice...

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Export shipment of color coated steel
October 8, 2026

Export Update: New Shipments to Southeast Asia and the Middle East

This month Botu dispatched several containers of color coated cut-to-length sheets to customers in Southeast Asia and the Middle East. All sheets were packed with waterproof paper, edge protection and steel strapping on fumigation-free pallets to ensure zero damage during long sea voyages...

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Cut to length steel sheet
September 28, 2026

What Is Cut-to-Length (CTL) Processing and Why It Matters for Appliance Makers

Cut-to-length processing uncoils, levels and shears steel coil into flat sheets of exact length. For appliance manufacturers this eliminates the need for their own leveling equipment, reduces internal stress and improves feeding accuracy on automated stamping lines. Botu's CTL lines deliver length tolerance within ±1 mm and excellent flatness, ready for direct stamping of refrigerator cabinet panels, washing machine shells and air conditioner base pans...

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RAL color card for coated steel
September 15, 2026

RAL Colors for Color Coated Steel: How to Specify the Exact Shade You Need

Color consistency matters for brand appliances. We recommend customers specify colors by RAL or Pantone code, or send a physical sample for spectrophotometer matching. Our coating lines can adjust within one batch, and we keep color records for repeat orders to guarantee batch-to-batch consistency...

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PPGI steel coil storage
September 2, 2026

Storage & Handling Tips for Color Coated Steel in Humid Climates

For customers in tropical coastal regions, correct storage prevents white rust and edge corrosion: keep sheets indoors, avoid direct contact with concrete floors, maintain ventilation, and use the material within 6 months. First-in-first-out inventory management is strongly recommended...

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Botu cut-to-length workshop with stacked coated steel sheets
August 20, 2026

Botu Quarterly Report: Capacity Upgrade of the Second Coating Line

Our second continuous color coating line has completed its capacity upgrade, increasing overall annual output to 50,000 tons and shortening lead time for large appliance-grade orders to 15–20 days...

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