Silicone Sponge Closure 32mm Tapered


SKU: 1924-00032 Categories: ,


The silicone sponge closure is suitable for cultivation of aerobic microorganisms. Can withstand heat up to 350 degree Celsius, if it lasts only for a short time so that the flame sterilization can be performed. Can be used the same way as a cotton plug for the cultivation growth of microbes. Excellent chemical resistance and can be wash with hot water also with neutral detergents. Do to its Hydrophobic property it prevents microbes from priliferating on its surface even at high atmosphere moisture.


  • Tapered Silicone W/ Smooth Exterior for Tight Seal
  • Extra Long for Easy Insertion and Removal
  • Fits: 25mm Culture Tubes & 32mm Sidearms
  • Air Permeability Easy Handling High Heat Resistance

Additional information

Weight 32 oz
Dimensions 12 × 8 × 8 in

Bellco Glass, Inc. remains open through this unfortunate time with the COVID-19 pandemic. We have taken necessary precautions to keep our staff
safe while serving all of our customers.

While production scheduling has increased, we will do our best  to meet all of your requirements in a very timely fashion.

As the news continues to unfold, we will take the necessary measures to ensure the safety of our staff and customers.