alumina refractory
51copper processing — Introduction use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… …
52fire sand — noun 1. : a highly refractory sand that consists mainly of coarse quartz grains with alumina or clayey sand and that is used especially for foundry purposes 2. : a grayish green powder or granular refractory material obtained as a by product in… …
53Cement — In the most general sense of the word, a cement is a binder, a substance which sets and hardens independently, and can bind other materials together. The name cement goes back to the Romans who used the term opus caementicium to describe masonry… …
54Paint — For other uses, see Paint (disambiguation). Paints redirects here. For the baseball team, see Chillicothe Paints. Dried green paint Paint is any liquid, liquefiable, or mastic composition which after application to a substrate in a thin layer is… …
55Rhenium — tungsten ← rhenium → osmium Tc ↑ Re ↓ Bh …
56High-intensity discharge lamp — A High intensity discharge (HID) lamp is a type of electrical lamp which produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina tube. This tube is filled… …
57Gas tungsten arc welding — TIG welding of a bronze sculpture Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG …
58Cenosphere — A cenosphere is a lightweight, inert, hollow sphere filled with inert air or gas, typically produced as a byproduct of coal combustion at thermal power plants. The color of cenospheres varies from gray to almost white and their density is about 0 …
59Anglesey Aluminium — Infobox Company company name = Anglesey Aluminium Metal Ltd company vector company type = joint venture genre = foundation = founder = location city = location country = location = origins = key people = Managing director: David Bloor,… …
60Aluminium fluoride — Chembox new Name = Aluminum fluoride ImageFile = Aluminum trifluoride 3D polyhedra.png ImageName = Aluminum trifluoride crystal structure OtherNames = Aluminum(III) fluoride Aluminum trifluoride Section1 = Chembox Identifiers CASNo = 7784 18 1… …
