Aluminum Crimp Seals ND11 - Other Aluminum Crimp Seals PTFE is very inert and high temperature resistant mainly for uncritical HPLC analysis. Butyl as synthetic rubber is much cleaner than Natural Rubber. Butyl is temperature resistant from -40°,C up to 120°,C. Total Phthalate Free , Seal (TPF Seal), Septa material free of any elastomers and halogens. This product is an alternative to the products (SKU) of these brands: Agilent: 5181-1212 / 100 - Waters:- Chromacol:- National Scientific:- Wheaton:- Finneran: 5190-11 - SUN/SRI International:Pokaż więcejPokaż mniej