The Rubber Cork is a durable, flexible, and chemical-resistant stopper designed for securely sealing laboratory glassware. Made from high-quality natural or synthetic rubber, it provides an airtight and leak-proof seal, making it ideal for use with test tubes, flasks, burettes, and other lab vessels. Its resilience allows it to withstand repeated insertions without cracking or deforming.
Key Features
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✔ High-quality rubber for long-lasting performance
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✔ Airtight seal prevents leakage and contamination
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✔ Chemical-resistant and suitable for most laboratory reagents
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✔ Flexible and durable—easy to insert and remove
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✔ Available in multiple sizes to fit various glassware
Applications
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Sealing test tubes, flasks, and bottles
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Preventing evaporation or contamination during experiments
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Use in chemistry, biology, and educational laboratories
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