plastics plating
1electroless plating — /i lek troh lis/ a technique of plating metal by chemical rather than electrical means, in which the piece to be plated is immersed in a reducing agent that, when catalyzed by certain materials, changes metal ions to metal that forms a deposit on …
2Production Part Approval Process — The Production Part Approval Process (PPAP) is used in the automotive supply chain to establish confidence in component suppliers and their production processes, by demonstrating that: ....all customer engineering design record and specification… …
3electroplating — Process of coating with metal by means of an electric current. Plating metal may be transferred to conductive surfaces (e.g., metals) or to nonconductive surfaces (e.g., plastics, wood, leather) if a conductive coating has been applied. Usually… …
4Materials for use in vacuum — are materials showing very low rate of outgassing in vacuum, and, where applicable, tolerant to the bake out temperatures. The requirements grow increasingly stringent with the desired degree of vacuum achievable in the vacuum chamber. The… …
5technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
6Electronic waste — For the EC directive, see Waste Electrical and Electronic Equipment Directive. Defective and obsolete electronic equipment. Electronic waste, e waste, e scrap, or Waste Electrical and Electronic Equipment (WEEE) describes discarded electrical or… …
7Titanium — This article is about the chemical element. For other uses, see Titanium (disambiguation). scandium ← titanium → vanadium …
8Restriction of Hazardous Substances Directive — European Union directive: Directive 2002/95/EC Directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment Made by Council Parliament …
9Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
10tin — 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 …
