307# (83mm) Gold Tinplate Full Aperture Easy Open End | Round Metal Lid with Printed Opening Instructions

Optimise your global food canning operations with our premium gold 307# round Full-Open End (FOE). Engineered for standard containers with an 83mm inner diameter, this high-quality tinplate lid features clear, step-by-step opening instructions printed directly on the exterior.

Designed for a wide range of commercial food products—including processed meats, stews, canned fruits and vegetables, and powdered ingredients—this 307# FOE allows the entire centre panel to detach upon pulling the ring-pull, ensuring easy access and an excellent user experience.

Key Product Features

• Clear Opening Instructions: Features high-definition, food-safe printed instructions (e.g., "1. Lift ring and fold back," "2. Pull up and peel back") accompanied by intuitive graphics for simple, user-friendly operation.

• Unobstructed Full-Open Design: The full-open structure allows the entire centre panel to detach smoothly right up to the seam. This design eliminates internal rim residue, facilitating the easy pouring or scooping of chunky and viscous foods.

• Reliable High-Speed ​​Seaming Performance: Precision-calibrated countersink depth and strict thickness tolerances ensure a perfect fit with 83mm automatic double-seaming equipment, creating a 100% airtight, leak-proof seal.

• Dual-Layer Protective Coating: Finished with an elegant gold exterior coating. Multiple layers of internal coating effectively resist chemical corrosion from high-salt, high-oil, or acidic food ingredients, significantly extending product shelf life. Technical Specifications

• Model Designation: 307# (Industry standard diameter: 83mm)

• Configuration: Round / Full-aperture, fully detachable end

• Base Material: Premium-grade Electrolytic Tinplate (ETP)

• Finish/Decoration: High-end gold coating with black graphic instructions (offset printing)

• Primary Applications: Canned meat, ready-to-eat meals, soups, vegetables, fruits, and milk powder

• Mechanical Properties: Optimal opening force: 10–35N | Internal pressure seal integrity: 0.1 MPa | Compatible with high-temperature, high-pressure retort sterilisation processes

Industrial-Grade Coating & Customisation Services

We provide large-scale metal component processing tailored to your technical requirements:

• Custom Graphic Design: Beyond standard opening instructions, we support multi-colour surface printing, regulatory compliance text, barcodes, and brand logo designs.

• Specialised Coating Formulations: Internal protective coatings (e.g., organosol, aluminium-pigmented coatings, or epoxy-phenolic resins) can be precisely formulated based on your product's specific pH levels and moisture characteristics.

FAQ

Q1: What are the key benefits of printing opening instructions on the 307# lid?

A: Printed graphic instructions significantly enhance product safety and consumer satisfaction. Clear, step-by-step guidance (such as "Lift up and fold back" or "Pull up and peel off") prevents consumer frustration caused by improper handling, reduces the risk of accidental cuts, and elevates the premium shelf appeal of your tinned product brand.

Q2: Can the gold coating and black printed instructions withstand high-temperature, high-pressure retort sterilisation?

A: Absolutely. We utilise heat-resistant coatings and industrial-grade inks specifically designed to withstand rigorous thermal sterilisation cycles (such as steam sterilisation at temperatures up to 121°C). Inside the high-temperature, high-pressure sterilisation retort, the gold coating and graphic details will not blister, peel, discolour, or dissolve.