For example, copper and gold are elements ... chemically joined together. Compounds form in chemical reactions, and you need other chemical reactions to separate a compound into its elements.

Adhesives are organic or inorganic chemical compounds used to join components. Sealants are liquid compounds that prevent leaks and block the ingress of unwanted materials. There are many different ...

Leveling compounds are highly viscous materials that are applied with a trowel. Examples include chocks, fillers ... Fluropolymers such as polytetrafluorethylene (PTFE) and polyvinylidene fluoride ...