Pharmaceutical grade 20mm straight plug rubber stopper to seal 13mm diameter tube, available for research and parenteral drug applications. Manufactured from natural rubber with excellent re-sealability for use in multi-puncture applications. Excellent choice for use for creating injection ports for mycology and mushroom cultivation. Can be installed in mason jar lids, synthetic filter disks, or substrate containers. This stopper is autoclave safe and will maintain a constant shape when passed through an autoclave cycle, and can be used multiple times. A DWK Wheaton Life Science product.
Material: Butyl rubber
Diameter: 20mm (inner diameter 13mm)
DWK Wheaton Life Science Products offer the cleanest, most precise pharmaceutical grade rubber stoppers. Requirements are met for the pharmaceutical industry and are designed to minimize possible contamination from airborne particulate. Production equipment is engineered to yield components with exceptional dimensional stability. Manufacturing tolerances for flange heights on stock stoppers are routinely held to ±0.005. Wheaton stoppers are manufactured from the highest quality raw materials available. These premium rubber ports minimise the chance of contamination and are made of thick, high quality butyl rubber which will maintain a constant shape when passed through an autoclave cycle, unlike cheaper products. 100% autoclave safe and can be used multiple times.