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Standard Practice for Applying Non-Electrolytic Conversion Coatings on Magnesium and Magnesium Alloys
Automaticky preložený názov:
Štandardná prax pre uplatnenie neelektrolytickou konverzných povlakov horčíka a zliatin horčíka
NORMA vydaná dňa 1.5.2013
Označenie normy: ASTM B879-97(2013)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.5.2013
Kód tovaru: NS-8588
Počet strán: 11
Približná hmotnosť: 33 g (0.07 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
chemical conversion coatings, chromates, cleaning magnesium, preparation for painting, protection, surface sealing, ICS Number Code 77.120.20 (Magnesium and magnesium alloys)
Significance and Use | ||||||||||||
3.1 The processes described in this practice clean and provide a paint base for the finishing of magnesium and magnesium alloys. Service conditions will determine, to some degree, the specific process to be applied. |
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1. Scope | ||||||||||||
1.1 This practice covers a guide for metal finishers to clean and then provide a paint base for the finishing of magnesium and magnesium alloys using chemical conversion coatings. Where applicable (for example, aerospace) secondary supplementary coatings (for example, surface sealing) can be used (see 1.2 Although primarily intended as a base for paint, chemical conversion coatings provide varying degrees of surface protection for magnesium parts exposed to indoor atmosphere either in storage or in service under mild exposure conditions. An example is the extensive use of the dichromate treatment (see 1.3 The traditional numbering of the coating is used throughout. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||||||||||
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