Rubber corks are high-performance sealing stoppers designed for laboratory use, offering airtight, chemical-resistant sealing for flasks, test tubes, bottles, and other lab glassware. Made from premium natural or synthetic rubber (e.g., neoprene or silicone), these corks are flexible, reusable, and provide excellent resistance to chemicals, temperature variations, and moisture ingress. Available in a wide range of sizes, hole configurations (solid or bored), and hardness grades, rubber corks are ideal for experiments where precise containment of gases or liquids is essential. Some versions are autoclavable, making them suitable for sterile environments.
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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