Cork – Size No. 9 in the Laboratory Equipment category at Edischoolmart is crafted from premium extra-soft rubber to deliver dependable sealing performance. Its precise dimensions ensure compatibility with standard laboratory glassware such as test tubes, flasks, and reagent bottles. This rubber cork is ideal for experiments requiring safe closure, chemical storage, and contamination-free handling. Students, teachers, and lab professionals benefit from its flexibility, durability, and ease of use.
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Material: Extra-soft rubber
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Size: No. 9
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Top Diameter: 24.5 mm
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Bottom Diameter: 20 mm
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Airtight, leak-proof, and chemical-resistant







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