What regulations do plastic caps need to comply with?

Jan 02, 2026

Leave a message

James Anderson
James Anderson
James is a logistics coordinator at Jiangsu KIWL Machinery Manufacturing Group Co., Ltd. He is in charge of the smooth transportation of products to over 70 exporting countries, ensuring that the company's bottle caps reach international alcoholic beverage brands in a timely and safe manner.

Exporting wine requires closures that protect product integrity across long supply chains and varied climates. Wine bottle screw caps have gained acceptance worldwide, but not all caps perform equally for premium reds, aromatic whites, or ready-to-drink formats.

Understand Liner and Oxygen Transmission

Saranex, tin-Saran, and advanced multi-layer liners offer different oxygen transmission rates (OTR). Light, early-drinking whites tolerate higher OTR; age-worthy Cabernet benefits from lower ingress. Match liner selection to your wine style and intended shelf life.

Neck Finish and Torque Specifications

Confirm 30×60, 29×21, or BVS finishes align with your glass supplier. Apply removal torque and application torque within supplier windows to prevent leaks and consumer complaints. Request torque band testing on your bottling line before bulk export runs.

Regulatory and Market Preferences

EU, US FDA, and APAC markets each reference food-contact rules for closures. Document material compliance certificates and migration test reports. Some retail chains still prefer traditional appearances — matte metallized caps can bridge premium positioning with screw-cap convenience.

Supplier Qualification Checklist

  • Consistent aluminum or tinplate gauge across lots
  • Print registration for brand artwork on skirt
  • Pilfer-evident ring performance in transit tests
  • Lead time and MOQ for custom pantone colors

Conclusion

Choosing the right wine bottle screw caps for export protects brand reputation and reduces costly returns. Work with a packaging partner that provides technical data, line trials, and regulatory documentation for each destination market.

Contact KIWL for screw cap samples and export compliance support.

Send Inquiry
 
you dream it, we design it
We can make various styles of
bottle caps for you
contact us