Septum 20mm Gray Butyl 100 Pack

Product Description

Supplied in a pack of 100, this 20 mm vial closure septum is manufactured from elastomeric gray butyl rubber. Designed to seat into 20 mm crimp-finish vials beneath an aluminum crimp seal, the material exhibits low gas and moisture vapor permeability along with resealing capability following needle penetration. It is utilized in compounding for sealing sterile vials containing parenteral solutions, suspensions, and reconstituted injectable preparations.