Product Description:

Upgrade your food processing and glass jar packaging lines with our premium Tinplate Split-Type Screw Lids designed for regular and wide-mouth Mason jars.

Crafted from high-grade, corrosion-resistant tinplate and fitted with a food-grade rubber sealing ring, this two-piece closure system ensures a 100% airtight and leakproof seal during hot filling, water bath canning, and vacuum preservation.

Built for structural durability and repeated opening, these split screw caps prevent localized deformation and maintain sealing integrity across multiple uses.

Ideal for commercial food processors, beverage manufacturers, private-label brands, and wholesale packaging distributors seeking reliable, food-safe secondary closure solutions.

Specifications Checklist

Applications

Commercial Food Processing & Canning: Bulk sealing for industrial jams, sauces, hot condiments, honey, and pickled goods.

Beverage & Craft Brew Sector: Suitable for commercial cold brew coffee, fermented drinks, juices, and specialty dairy packaged in glass jars.

Foodservice & Institutional Supply: Secure, airtight storage and multi-use handling for commercial kitchens and bulk ingredient suppliers.

OEM/ODM Private Labeling & Packaging Wholesale: Premium closure solutions for branded retail food lines, artisanal gift sets, and custom packaging catalog distribution.

Product Usage & Handling Notes

Primary Seal vs. Reusability: The inner sealing flat disc with rubber compound is optimized for initial thermal and vacuum processing. For repeated commercial vacuum hot-filling, replacing the inner disc is recommended to maintain optimal sealing performance, while the outer screw band is fully reusable.

Corrosion Prevention & Care: Although coated with protective food-safe lacquer, prolonged exposure to highly acidic or salty environments may pose oxidation risks at exposed metal edges. Ensure lids are thoroughly dried after washing or liquid immersion.

Thermal Processing Limits: Observe recommended temperature limits depending on specific processing methods) to prevent degradation of the rubber sealing ring or protective inner coating.

Torque Control on Automatic Capping: Ensure automated capping machines apply balanced torque to the screw bands to achieve proper vacuum seal formation without over-compressing the rubber ring.