Electrolytic Tin Plate (ETP) Coils & Sheets for Tomato Can Bodies, Ends, and Lids

Our specialized Electrolytic Tin Plate (ETP) and Tin-Free Steel (TFS) are engineered for the demanding requirements of tomato can manufacturing. Tomatoes are highly acidic, necessitating packaging materials with exceptional corrosion resistance to prevent can failure and preserve product quality. This product line provides a robust solution, available in both coil and sheet formats for efficient production of can bodies, easy-open ends, and lids. The electrolytic tin coating on ETP offers a proven sacrificial barrier against acid attack, while TFS (chrome-plated steel) provides superior base for internal lacquers that prevent discoloration and flavor transfer. Furthermore, this substrate is perfectly suited for high-quality external printing, allowing for vibrant branding directly on the can.

• Exceptional Acid Resistance: Specifically formulated to withstand the corrosive nature of tomato-based products (paste, sauces, diced), ensuring long-term can integrity and shelf life.

• Premium Printability: The surface provides an excellent foundation for high-definition lithographic printing, enabling durable, colorful graphics for standout shelf appeal.

• Dual-Material Option: Choose between traditional ETP for excellent solderability and all-round protection, or cost-effective TFS for superior lacquer adhesion and sulfide stain resistance.

• Food-Grade Safety: Manufactured from prime MR/SPCC steel with certified non-toxic coatings, guaranteeing safety for direct food contact.

• Optimized for Fabrication: Available in various tempers and hardness grades (TS230-TH620) to provide the ideal formability for deep-drawing can bodies and the necessary strength for stamping ends.

Utilizing this purpose-built tinplate streamlines your tomato packaging line. It minimizes the risk of corrosion-related leakers, protecting your brand reputation and reducing waste. The availability of pre-printable material consolidates supply chains. The choice between ETP and TFS allows for cost optimization based on your specific production process (welding vs. soldering) and performance requirements. Consistent material quality ensures high runnability on high-speed manufacturing equipment.

Q1: Why is special tinplate needed for tomato cans?
A1: Tomatoes have high acidity (low pH), which can aggressively corrode standard metals. Our ETP provides a sacrificial tin layer, while our TFS is designed for use with specialized acid-resistant internal lacquers, together preventing corrosion and product contamination.

Q2: Can we get the tinplate pre-printed with our label design?
A2: Yes. We offer advanced lithographic printing services. You can provide your artwork, and we will supply finished, printed sheets or coils ready for fabrication, saving you a production step.

Q3: Should I choose ETP or TFS for my tomato can ends?
A3: ETP is traditionally used for its excellent solderability for side seams and overall corrosion resistance. TFS is often preferred for ends due to its excellent enamel adhesion, which provides an additional barrier against the acidic content, and its cost-effectiveness.

Q4: What is the typical coating weight recommended for tomato products?
A4: For acidic contents like tomatoes, a medium to heavy coating such as 2.8/2.8 g/m² or 5.6/5.6 g/m² is commonly recommended for ETP to ensure sufficient protective capacity. The exact specification depends on the specific product and targeted shelf life.

Q5: What is the packaging for export to prevent rust during transit?
A5: We use seaworthy packaging: each coil/sheet pack is wrapped in VCI (Vapor Corrosion Inhibitor) rust-proof paper, sealed in plastic film, protected with metal corners, steel-strapped, and mounted on fumigated wooden pallets.