Rubber corks are essential lab accessories used to seal test tubes, flasks, bottles, and other glassware during experiments or storage. Made from natural or synthetic rubber, these stoppers offer a tight, flexible, and reusable seal that helps prevent spills, contamination, and the escape of gases or liquids.
Feature of Rubber Corks
- Made of RSS-S grade rubber
- More pure rubber than regular stopper and has clear incineration & biodegradable property
- Permissible temp. upto 80°C & Shore Hardness 45
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