Glycerin is often used as a lubricant for this purpose (and others).
A cork borer is used to make a hole through the middle of a cork stopper, usually in order to insert a delivery tube through it. Now that synthetic rubber bungs can be readily bought with the holes already made, and interchangeable ground glass joints are relatively cheaper than they used to be, cork stoppers are used less frequently. If you do need to use the procedure, get someone to show you how to do it safely, particularly the insertion of the glass tube when the hole is made.
A clear tubing is used for many things around the household. They can be used for running tubing through that person's sink, toilet, shower, and many other water appliances.
YES!
Polyethylene (or PE) is an often used plastic material. Polyethylene tubing is usually used in laboratories for a various number of tasks. Another main application area is water transport or the usage for drinking of water or other liquids.
In a chemical laboratory it is not so recommended to lubricate stoppers with a grease; this grease can be dissolved by reactants and the experiment become compromised. But some exceptions exist.
Stainless steel tubing is used to transport liquid materials, such as water, gas, and chemicals. It is important in manufacturing as well as water treatment because it will not rust or corrode.
The stopper used for hemoglobin blood testing is lavender, and the additive is EDTA.
Silicon tubing is used for medical tubing, as it meets the medical industry's requirement for cleanliness and toxicity. Another upside is that silicon tubing is resistant to extreme temperature variations.
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A conversation-stopper, or a show-stopper.
copper tubing
tubing benders are the best used for