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Use rubber stoppers and lab-grade corks come contain liquids in test tubes and flasks

Keep your chemistry experiment clean and safe v rubber stoppers! these sturdy plugs right tightly into test tubes or flasks to stop chemical leaks and spills.

You are watching: What are rubber stoppers used for

Some lab work requires a full setup of glassware. You’ll need one- or two-hole rubber stoppers because that those experiments, and use 5 mm glass tubingto attach to other apparatus.

For small test tubes use #00 stoppers. Usage #0 for huge test tubes, and also #1 because that extra large. Usage #6.5 stoppers because that 250 ml flasks. Usage a cork borer to drill feet in the corks.

And usage our quick & easy overview to determine which dimension of rubber stopper you need.


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We obtain it. Science deserve to be messy. However Home scientific research Tools" products and also service can handle it.

Our products are durable, reliable, and also affordable to take it you from the field to the lab to the kitchen. Lock won"t let girlfriend down, no issue what they"re increase against. Whether it"s (over)eager young scientists year ~ year, or rigorous requirements that come once-in-a lifetime.

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