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Choosing the right label material for steel coils, especially hot rolled and cold rolled requires balancing durability, adhesion, and environmental resistance. Here's a breakdown of the best materials based on coil type and application:

Best Label Materials for Steel Coils

Hot Rolled Steel Coils

Hot rolled coils have rough, sometimes oily surfaces and may be exposed to high temperatures and outdoor conditions.

Recommended Materials:

• Polyimide (e.g., Kapton)
• Heat-resistant up to 300C degree celsius
• Excellent chemical and abrasion resistance
• Ideal for coils stored or processed in high-temperature environments
• Polyester (PET) with High-Tack Adhesive
• Strong adhesion to rough surfaces
• Weather-resistant and UV-stable
• Cost-effective for general industrial use
• Aluminum Foil Labels
• Metal-compatible and heat-tolerant
• Can be riveted or welded for permanent ID
• Useful for long-term outdoor storage

Cold Rolled Steel Coils

Cold rolled coils have smoother surfaces and are typically used in cleaner, controlled environments.

Recommended Materials:

• Polyester (PET)
• Smooth adhesion and print clarity
• Compatible with thermal transfer printing
• Ideal for indoor use and automated scanning
• Vinyl Labels
• Flexible and conformable to curved surfaces
• Moisture-resistant
• Good for short-term applications
• Paper Labels (with protective coating)
• Economical for temporary tracking
• Requires clean, dry surface
• Not suitable for harsh environments

Adhesive Considerations