Rubber stopper ( silicone wine bottle stopper ) A rubber stopper is a small, tapered plug used to seal the openings of test tubes, flasks and other laboratory glassware. Stoppers made of cork are also available for this purpose. However, rubber stoppers are preferable for applications that require a tighter seal or a greater degree of chemical resistance. Purpose ( silicone wine bottle stopper ) The primary purpose of a rubber stopper is to prevent a gas or liquid from escaping its container during a scientific experiment. Rubber stoppers can also prevent the contamination of samples by protecting the contents of laboratory glassware from air. Last, the use of rubber stoppers allows experimenters to shake or mix solutions without spilling them.
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Silicone Caps & Covers are useful for masking and protection purposes, offering excellent shock absorption and high temperature resistance. It is for this reason that they are commonly found within applications that require masking off before painting or coating, preventing uneccessary coverage where a coating would cause issues. These Caps can be placed onto threads, studs or rods to cover and protect, as a low cost solution that comes in a huge number of sizing options. All of our Silicone Caps / Covers can be found on our website with a range of sizes available, along with the option to request free samples of each. This way, you can try the product before you commit to a purchase.
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