Description: These 28mm red polypropylene (PP) tamper-evident caps, featuring a 1.5mm PTFE/PE liner from ALWSCI, offer superior sealing and excellent chemical resistance to acids, alcohols, alkalis, aqueous solutions, and solvents. The integrated PTFE liner ensures a secure, leak-proof seal, preventing unauthorized access and maintaining sample integrity. Packaged 50 caps per unit.





