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BS 4290:1989

Current

Current

The latest, up-to-date edition.

Method for specifying electroplated coatings of silver and silver alloys for decorative and protective purposes

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

29-09-1989

Foreword
Committees responsible
Method
1 Scope
2 Definitions
3 Information to be supplied by the purchaser to the
   electroplater
4 Basis material
5 Coating classification code
6 Undercoats
7 Coatings
8 Anti-tarnish treatments
Tables
1 Summary of information required
2 Appropriate undercoats for use with silver and silver
   alloy decorative and protective coatings
3 Recommended range of silver coatings

Electrodeposited coatings on metallic and non-metallic materials for general and protective purposes. Excludes coatings containing less than 95% pure silver by mass or of minimum thickness less than 2 μm, and those on screw threads or unfabricated sheet or strip.

This British Standard describes a method for specifying requirements for electrodeposited coatings of silver and its alloys on metallic and non-metallic materials for decorative and/or protective purposes.

This standard is not applicable to:

  1. coatings on screw threads;
  2. coatings applied on sheet or strip in the unfabricated form;
  3. coatings containing less than 95 % by mass of pure silver; or
  4. coatings of minimum thickness less than 2 µm.

NOTE. The titles of the publications referred to in this standard are listed on the inside back cover.

Committee
STI/33
DevelopmentNote
Supersedes 86/55014 DC and BS 4290(1968). (08/2005) Reviewed and confirmed by BSI, May 2009. (04/2009)
DocumentType
Standard
Pages
10
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 6041(1981) : 1981 METHOD OF SAMPLING OF ELECTRODEPOSITED METALLIC COATINGS AND RELATED FINISHES: PROCEDURES FOR INSPECTION BY ATTRIBUTES
BS 5411-6:1981 Methods of test for metallic and related coatings Vickers and Knoop microhardness tests
BS 5466-4(1979) : 1979 AMD 8478 METHODS FOR CORROSION TESTING OF METALLIC COATINGS - THIOACETAMIDE TEST (TAA TEST)
BS 6669-2:1986 Methods of test for electroplated silver and silver alloy coatings Adhesion tests
BS 5411-1(1980) : 1980 AMD 8494 METHODS OF TEST FOR METALLIC AND RELATED COATINGS - DEFINITIONS AND CONVENTIONS CONCERNING THE MEASUREMENT OF THICKNESS
BS 6669-1:1986 Methods of test for electroplated silver and silver alloy coatings Determination of coating thickness
BS 6001(1972) : AMD 5054 SAMPLING PROCEDURES FOR INSPECTION BY ATTRIBUTES - SPECIFICATION FOR SAMPLING PLANS INDEXED BY ACCEPTABLE QUALITY LEVEL (AQL) FOR LOT - BY - LOT INSPECTION
BS 2011-2.1T:1981 Environmental testing. Tests Test T. Soldering

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