polyvinyl-chloride
121Industrial etching — For other uses, see Etching (disambiguation). Etched in ferric chloride for PCB production at home In industry, etching, also known as chemical milling, is the process of using acids, bases or other chemicals to dissolve unwanted materials such… …
122Organotin chemistry — Organotin compounds are those with tin linked to hydrocarbons. Organotin compounds or stannanes are chemical compounds based on tin with hydrocarbon substituents. Organotin chemistry is part of the wider field of organometallic chemistry.[1] The… …
123Polyester — For the 1981 motion picture, see Polyester (film). SEM picture of a bend in a high surface area polyester fiber with a seven lobed cross section …
124explosive — explosively, adv. explosiveness, n. /ik sploh siv/, adj. 1. tending or serving to explode: an explosive temper; Nitroglycerin is an explosive substance. 2. pertaining to or of the nature of an explosion: explosive violence. 3. likely to lead to… …
125tin — tinlike, adj. /tin/, n., adj., v., tinned, tinning. n. 1. Chem. a low melting, malleable, ductile metallic element nearly approaching silver in color and luster: used in plating and in making alloys, tinfoil, and soft solders. Symbol: Sn; at. wt …
126TIN — /tin/, n. taxpayer identification number. * * * Metallic chemical element, chemical symbol Sn, atomic number 50. It is a soft, silvery white metal with a bluish tinge, employed since antiquity in the traditional form of bronze, its alloy with… …
127petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
128Air Products & Chemicals — Infobox Company company name = Air Products and Chemicals, Inc company company type = Public (nyse|APD) foundation = 1940, Detroit, Michigan location = Trexlertown, Pennsylvania key people = Leonard P. Pool, Founder, John E. McGlade, Chairman,… …
