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Buyers must ensure the tins are made from Electrolytic Tinplate (ETP) with a specific thickness, usually ranging from 0.21mm to 0.28mm, to prevent denting during transit. The internal surface must feature a food-grade epoxy phenolic lacquer or an organosol coating that is 100% BPA-free to prevent chemical migration and oxidation of the oil.
Olive oil is highly sensitive to light and oxygen. Tins provide a 100% light barrier, which is superior to clear glass. You should prioritize designs with hermetic sealing mechanisms, such as plastic pull-spouts (Bericap closures) or screw caps with tamper-evident seals, to minimize oxygen exposure and prevent leakage.
For global trade, the product must comply with FDA (U.S. Food and Drug Administration) regulations or EU Regulation (EC) No 1935/2004 regarding materials intended to come into contact with food. Additionally, ensure the supplier holds ISO 9001 for quality management and FSSC 22000 or BRCGS for food safety packaging standards.
Most professional suppliers on Made-in-China.com offer CMYK offset printing and spot color (Pantone) printing. For a premium look, you can request matte or glossy finishes, embossing, or debossing of your logo. Ensure the inks used are heat-resistant and food-safe to avoid smudging during the filling process.
The main risk is structural deformation (denting) due to the hollow nature of the product. To mitigate this, insist on heavy-duty corrugated pallet packaging with corner protectors and shrink-wrap stabilization. It is also advisable to include desiccant bags in the container to prevent 'container rain' or oxidation caused by humidity changes during sea transit.
Request a pre-production sample and a Golden Sample for sealing tests. Negotiate a contract that specifies a Defective Allowable Rate (usually <1%). Use Made-in-China.com's Secured Trading services to ensure payment is only released after a third-party inspection (like SGS or Intertek) confirms the coating integrity and airtightness.
Since empty tins are 'light cargo' that occupy significant volume, shipping costs can be high. To optimize TEU (Twenty-foot Equivalent Unit) utilization, discuss nesting possibilities if the design allows, or calculate the exact pallet dimensions to fit the maximum number of units. For large-scale buyers, sourcing from suppliers near major Chinese ports like Ningbo or Shenzhen can significantly reduce inland haulage costs.
