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2. Stopper (plug) - Wikipedia

   en.wikipedia.org/wiki/Stopper_(plug)

   In chemistry, bungs made of hardened rubber are frequently used in small-scale experimental set-ups involving non-corrosive gases. Some chemistry bungs may also include one or more holes so a glass tube or laboratory funnel may be inserted through the bung and into the container or another piece of apparatus. The rubber bung may be used to seal ...

3. Hermetic seal - Wikipedia

   en.wikipedia.org/wiki/Hermetic_seal

   A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases). The term originally applied to airtight glass containers, but as technology advanced it applied to a larger category of materials, including rubber and plastics. Hermetic seals are essential to the correct and safe ...

4. Silicone rubber - Wikipedia

   en.wikipedia.org/wiki/Silicone_rubber

   In its uncured state, silicone rubber is a highly adhesive gel or liquid. To convert it to a solid, it must be cured, vulcanized, or catalyzed.This is normally carried out in a two-stage process at the point of manufacture into the desired shape, and then in a prolonged post-cure process.

5. Gasket - Wikipedia

   en.wikipedia.org/wiki/Gasket

   Gaskets can be produced by punching the required shape out of a sheet of flat, thin material, resulting in a sheet gaskets. Sheet gasket are fast and cheap to produce, and can be produced from a variety of materials, among them fibrous materials and matted graphite (and in the past - compressed asbestos).

6. Laboratory rubber stopper - Wikipedia

   en.wikipedia.org/wiki/Laboratory_rubber_stopper

   A laboratory rubber stopper or a rubber bung or a rubber cork is mainly used in chemical laboratories in combination with flasks and test tube and also for fermentation in winery. [ 1 ] [ 2 ] [ 3 ] Generally, in a laboratory , the sizes of rubber stoppers can be varied up to approximately 16 sizes and each of it is specific to certain type of ...

7. These popular glass storage containers are 40% off: 'I like ...

   www.aol.com/lifestyle/these-popular-glass...

   Thousands of Amazon shoppers love these sturdy, glass JoyJolt JoyFul Food Storage Containers, which have airtight seals to keep food fresh. And now this 24-piece set is only $40 (down from $70).