Iron
A stopper can be made of various materials such as rubber, cork, or glass, depending on the application. Rubber stoppers are commonly used in laboratories for sealing test tubes or flasks, while cork stoppers are often used for sealing bottles of wine or spirits. Glass stoppers are also used for sealing high-end bottles and can provide an airtight seal.
Glass and Mercury
A sealing ring is ring, made of metal or rubber, that is used in plumbing, pressure cooking, and many aspects of manufacturing . A sealing ring essentially functions as a gasket, helping to form a tight seal.
Glass and mercury
Ovens
Charles J. Leedecke has written: 'Glass-ceramics for sealing to Pd-Ag alloys' -- subject(s): Glass-ceramics, Sealing (Technology)
metal,cement,glass
It is used to dope glass as a colorant, and for the production of neodymium compounds and metal.
Silicone glue is a type of adhesive that contains silicone as the main component. It is known for its flexibility, resistance to high temperatures, and waterproof properties. Silicone glue is commonly used for sealing, bonding, and repairing various materials including glass, metal, rubber, and plastics.
An epoxy will bond glass to metal.
Green colors in glass came from iron. There is a link below.
Glass paper is one...