Skip to Content
Merck
All Photos(4)

Documents

DWK291182809

DURAN® membrane screw cap

polypropylene, GL 45 cap, pore size 0.2 μm

Synonym(s):

291182809

Sign Into View Organizational & Contract Pricing


About This Item

UNSPSC Code:
41121800
NACRES:
NB.17

material

polypropylene

sterility

non-sterile

packaging

case of 5 ea

manufacturer/tradename

DURAN® 291182809

pore size

0.2 μm pore size

fitting

GL 45 cap

Looking for similar products? Visit Product Comparison Guide

General description

Venting membrane improves autoclaving safety and storage of sterile liquids in GL32 bottles and erlenmeyers. Reduce contamination risk in autoclaving, as the 0.2 um membrane permits pressure equalization with screw tight sealing. Ingress of liquids or solids is prevented and the bottle contents remain sterile.

Features and Benefits

• Manufactured from PP, ePTFE• Pressure equalisation during steam sterilisation• The microporous structure of the ePTFE membrane enables sterile gas exchange in two directions, while blocking the penetration of liquids or solids and the bottle contents remain sterile• Increased gas exchange rate due to thin 0.2-µm 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• The PTFE membrane and its polypropylene mesh support are ultrasonically welded in place forming a durable seal• 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 mesh

Legal Information

DURAN is a registered trademark of DWK Life Sciences

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service