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Die Norm ASTM B604-91(2019) 1.10.2019 Ansicht

Ergänzende Informationen

ASTM B604-91(2019)

Standard Specification for Decorative Electroplated Coatings of Copper Plus Nickel Plus Chromium on Plastics

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NORM herausgegeben am 1.10.2019

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Informationen über die Norm:

Bezeichnung normen: ASTM B604-91(2019)
Ausgabedatum normen: 1.10.2019
SKU: NS-972957
Zahl der Seiten: 11
Gewicht ca.: 33 g (0.07 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM

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Metallic coatings

Die Annotation des Normtextes ASTM B604-91(2019) :

This specification establishes the requirements for several grades and types of electrodeposited copper plus nickel plus chromium coatings on plateable plastic substrates where appearance, durability and resistance to thermal cycling are important to service performance. The coatings covered here are applied subsequent to the application of metal film by autocatalytic deposition or of any strike coatings after autocatalytic deposition. Each coating shall be designated a classification code, which comprises of the following numbers and symbols: service condition number, which indicates the severity of exposure for which the coating is intended; coating classification number, which contains the chemical symbol of each metallic element that comprises the coating, and their corresponding thickness; and symbols for expressing the type of coating. The coatings shall be sampled, tested, and conform to specified requirements as to appearance (visual defects), ductility, minimum thickness (inspected either by coulometric, microscopical, or beta backscatter methods), corrosion and thermal cycling resistance, adhesion, sulfur content, density, and discontinuities.

Keywords:
ICS Number Code 25.220.40 (Metallic coatings)

Ergänzende Informationen

1. Scope

1.1 This specification covers the requirements for several grades and types of electrodeposited copper plus nickel plus chromium coatings on plateable plastic substrates where appearance, durability and resistance to thermal cycling are important to service performance. Five grades of coatings are provided to correlate with the service conditions under which each is expected to provide satisfactory performance.

1.2 This specification covers the requirements for coatings applied subsequent to the application of metal film by autocatalytic deposition or subsequent to the application of any strike coatings after autocatalytic deposition.

1.3 The following caveat pertains only to the test method portions of Section 6, Annex A1, and Appendix X2, Appendix X3, and Appendix X4 of this specification. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

B487-20	Standard Test Method for Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of Cross Section
B489-85(2023)	Standard Practice for Bend Test for Ductility of Electrodeposited and Autocatalytically Deposited Metal Coatings on Metals
B504-90(2023)	Standard Test Method for Measurement of Thickness of Metallic Coatings by the Coulometric Method
B530-09(2021)	Standard Test Method for Measurement of Coating Thicknesses by the Magnetic Method: Electrodeposited Nickel Coatings on Magnetic and Nonmagnetic Substrates
B532-85(2021)	Standard Specification for Appearance of Electroplated Plastic Surfaces
B556-90(2023)	Standard Guide for Measurement of Thin Chromium Coatings by Spot Test
B567-98(2021)	Standard Test Method for Measurement of Coating Thickness by the Beta Backscatter Method
B568-98(2021)	Standard Test Method for Measurement of Coating Thickness by X-Ray Spectrometry
B602-21	Standard Guide for Attribute Sampling of Metallic and Inorganic Coatings
B659-90(2021)	Standard Guide for Measuring Thickness of Metallic and Inorganic Coatings
B727-04(2020)	Standard Practice for Preparation of Plastics Materials for Electroplating
B533-85(2019)	Standard Test Method for Peel Strength of Metal Electroplated Plastics
D1193-06(2018)	Standard Specification for Reagent Water
E50-17	Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
B368-21	Standard Test Method for Copper-Accelerated Acetic Acid-Salt Spray (Fog) Testing (CASS Test)
B764-04(2021)	Standard Test Method for Simultaneous Thickness and Electrode Potential Determination of Individual Layers in Multilayer Nickel Deposit (STEP Test)

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