Silicone stoppers, HelixMark®
HelixMark silicone stoppers enable reliable sealing of glass tubes, vials and flasks. The stoppers are suitable for all commonly used diameters and sizes.
- Stoppers with two holes upon request
Typical Hardness: 50 Shore
ISO 13485
: The stoppers meet ISO 10993-1, FDA 21 CFR 177-2600 and USP Class VI requirements, EP: EP 3.1.9
: Material certification and batch number included in every box.
: Packaged in boxes with 12 gaskets per resealable bag.