Lug Caps

Lug caps (also known as twist-off caps) are specialized metal closures designed for glass jar packaging. Featuring a unique vacuum-sealing "lug" system, these caps provide a secure, airtight fit with a simple partial turn, making them the industry standard for preserved food and sauces.

Core Specifications:

Material: Premium tinplate with food-grade internal coatings (BPA-NI options available).

Sealing Mechanism: Integrated PVC-free or standard plastisol liners for superior hermetic sealing and vacuum retention.

Size Range: Available in standard diameters from 30mm to 110mm, including deep-skirt and regular profiles.

Safety Features: Optional safety button (vacuum indicator) to guarantee product integrity and tamper evidence.

Primary Applications:

Hot-Fill Products: Widely used for pasta sauces, jams, honey, and pickled vegetables.

Pasteurization & Retort: Engineered to withstand high-temperature processing and cooling cycles.

Condiments: The preferred choice for mayonnaise, dressings, and gourmet oils in glass jars.