Frequently Asked Questions
What are aluminium ROPP closures?
ROPP closures (Roll‑On Pilfer Proof closures) are aluminium caps used to seal bottles securely. The closure is applied using a capping machine that forms threads onto the bottle neck, creating a tamper‑evident seal.
What industries use ROPP caps?
ROPP caps are widely used in:
- Spirits and alcoholic beverages
- Edible oils
- Pharmaceutical liquids
- Food products
- Chemical products
What liner materials are used in aluminium closures?
Common liner materials include:
- EPE liners
- Saranex liners
- Thermoplastic elastomers (TPE) lining
The liner type depends on the product being packaged and the required sealing performance.
What are the advantages of aluminium ROPP caps?
Advantages include:
- Tamper‑evident sealing
- Premium appearance
- Excellent sealing performance
- Compatibility with automated bottling lines
Can aluminium ROPP closures be customized?
Yes. Aluminium closures can be customized with:
- Different colours
- Side printing
- Top embossing or printing