Product Overview
- This 28 mm 28/400 closure is made of PEand fits our 28-400 vials,
Our caps form an exceptionally tight seal and offer a good chemical barrier. The liner molds itself around the sealing areas of the finish as the cap is screwed on. This virtually eliminates leakage, evaporation, contamination, binding and backing off. Great for everything from liquids, oils, soaps & more.