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C1046

Sigma-Aldrich

Silicone sponge closures

size 38 mm

Synonym(s):

Closures for Vials, Silicone Closures, Sponge Closures

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About This Item

UNSPSC Code:
41121800
NACRES:
NB.22

size

38 mm

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General description

Silicone rubber rings with sealed-in silicone sponge filters.

These silicone sponge closures are ideal when working with aerobic cultures; they permit an efficient exchange of gases. They also cut losses due to evaporation in half in comparison to cotton plugs, thus minimizing changes in pH values. They can be dry heat sterilized repeatedly at 180°C and are easy to clean and maintain (reusable).

Compatibility

For use with 500-1000 mL Erlenmeyer and shake flasks.

Certificates of Analysis (COA)

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