Frequently Asked Questions

Common Questions About Our Metal Closures

Everything you need to know about our lug caps, twist-off caps, glass jar caps, metal lids, and ROPP closures.

What types of metal closures does HIC Metal Packaging manufacture?

We specialize in two main product lines: steel lug caps (twist-off caps) for glass jar applications and aluminum ROPP (Roll-On Pilfer-Proof) closures for bottle packaging. Our lug caps serve the food, condiment, and preserves industries, while our ROPP caps are designed for beverages, spirits, and pharmaceutical products.

What are lug caps and how are they different from twist caps?

Lug caps and twist caps refer to the same type of closure. They are steel caps with small lugs (tabs) on the inside that grip the threads of a glass jar, allowing users to twist off the cap for easy opening. These metal jar lids provide a secure, vacuum-sealed closure that keeps food products fresh and tamper-evident.

What sizes of glass jar caps and metal lids do you offer?

Our steel lug caps are available in standard sizes of 38mm and 63mm, in both Regular (clean, modern aesthetic) and Fluted (classic industrial grip) profiles. Our ROPP aluminum closures come in 20mm, 25mm, 28mm, and 31.5mm sizes. Contact our team if you need specifications outside these standard options.

Can you supply custom-printed or branded metal lids?

Yes. We offer High-Definition Lithography on our ROPP closures and custom printing on our lug caps. This includes specialized branding, color matching, and custom finishes to help your product stand out on the shelf while maintaining full food-safety compliance.

Can I request a sample kit before placing an order?

Absolutely. We invite you to experience the HIC standard firsthand. Contact our sales team at info@hicmetalpackaging.com to request a Physical Sample Kit of our specialized closures for your technical line-testing and quality evaluation.

What industries do your metal closures serve?

Our metal closures serve three primary sectors: the food and condiments industry (sauces, pickles, jams, preserved foods), the beverage industry (juices, water, spirits), and the pharmaceutical industry (liquid medicines, syrups, health supplements). Each product line is engineered to meet the safety and compliance standards of its respective sector.

How does HIC ensure quality in its metal packaging products?

Quality is our mandate. From traceable material sourcing to in-process vacuum integrity testing, our "Go/No-Go" gauging protocols ensure every seal meets exact micron-tolerances. Our lug caps use food-grade TFS steel with Plastisol gaskets, and our ROPP caps use medical-compliant aluminum alloys. Over 25 years of manufacturing expertise backs every closure we deliver.

What is the minimum order quantity for lug caps or ROPP caps?

Our minimum order quantities vary by product type and specification. We are committed to flexibility and work with businesses of all sizes, from small-batch producers to large-scale manufacturing operations. Reach out to our sales team for specific MOQ details tailored to your needs.

Do you export metal closures outside of Pakistan?

While our manufacturing base is in Pakistan, we are equipped to serve markets beyond our borders. Our goal is to become a regional leader in metal closure manufacturing. Contact us to discuss export inquiries and international shipping options.