
291182809 · 5
DURAN · Cat: 291182809
Reach 3+ verified distributors
Manufacturer product page
dwk.com/duran-gl-45-membrane-vented-screw-cap-pp-blue-291182...Description
Pressure equalisation during steam sterilisation / autoclaving at 121 or 134 C. The microporous structure of the ePTFE membrane enables sterile gas exchange in two directions, while blocking the penetration of liquids or particles and the bottle contents remain sterile | Increased gas exchange rate due to thin 0.2-mum ePTFE membrane, combined with larger ventilation openings. Higher gas exchange rates for cell culture applications in bottles and shaker flasks. Maintaining the necessary gas environment CO2 and O2 for cell growth in incubator culture | Cost effective as the caps can be reused several times Replacement is recommended after 3 to 5 autoclave cycles due to durability, or if the membrane becomes damaged or contaminated | Polytetrafluoroethylene ePTFE membrane conforms wth USP 121 C Class VI requirements with polypropylene support mesh are ultrasonically welded in place forming a durable seal