Blog

Read Uniseel’s case study on delivering precision Unishell caps to leading French and Polish brands. Learn how our ±0.1mm tolerance and full-link PPWR compliance ensur...

When buyers choose a PS liner for their packaging, one of the first questions that surfaces is whether it can truly keep moisture out. A PS liner, or pressure sensitiv...

Discover why Uniseel’s Unishell closures are the gold standard for pharma brands. ISO 9001:2015 certified (Reg No. 07625Q1617R0S-ZJ/001) with ±0.1mm precision engineer...

Explore Uniseel’s end-to-end PPWR compliance roadmap. Verified by 6 SGS reports (CANPC26015408301-08306), our closures and logistics packaging are certified PFAS-Free ...

Selecting the correct diameter for a unishell metal cap is one of the most practical decisions a packaging buyer or product developer will face. A unishell metal cap t...

Explore Uniseel’s 45-400 Unishell cap technical drawing. Featuring 47.5mm OD, 45.0mm ID, and a strict ±0.1mm tolerance. Engineered for zero-leakage performance in high...

Explore Uniseel’s 38-400 Unishell cap technical drawing. Featuring OD 40.5mm, ID 38.0mm, and a strict ±0.1mm tolerance. Engineered for zero-leakage performance in high...

Discover Uniseel’s Master Declaration of Compliance (DoC), consolidated with SGS Report TAOPC26004587603. Our closures are certified Bisphenol-Free (EU 2024/3190) and ...

Uniseel IHS liners are certified Bisphenol-Free under SGS Report TAOPC26004587603 and compliant with (EU) 2024/3190 & EDQM 2024. Engineered for ±0.1mm precision, ensur...

A custom coated unishell metal cap is engineered specifically to resist the damaging effects of corrosion that commonly affect metal closures in packaging environments...

Uniseel PS liners are certified Bisphenol-Free under SGS Report TAOPC26005219201 and compliant with (EU) 2024/3190. Engineered for ±0.1mm precision closures, ensuring ...

ISO 9001:2015, Registration No. 07625Q1617R0S-ZJ/001, Uniseel Technology, Shengxiang Technology, ±0.1mm tolerance, metal bottle cap manufacturer, TUV verified