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3 Causes of Tinplate Can Rust & Prevention

3 Causes of Tinplate Can Rust & Prevention

2025-07-30

Cause 1: Damaged Coating

How it happens: Scratches during transportation or improper handling.

Prevention: Use foam inserts in cartons; add protective film on can surfaces.

Cause 2: High Humidity

Risk: Humidity >70% accelerates rusting.

Prevention: Include silica gel packets in shipping cartons; store cans in climate-controlled warehouses.

Cause 3: Inadequate Tin Plating

Issue: Thin tin layer (<2.8g/m²) can’t resist corrosion.

Our Standard: Use 5.6g/m² tin plating (2x industry average) for critical applications.