ASTM D2674-72(2021)

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Standard Methods of Analysis of Sulfochromate Etch Solution Used in Surface Preparation of Aluminum
standard by ASTM International, 06/01/2021

Document Format: PDF

Description

1.1”These methods offer a means for controlling the effectiveness of the etchant which is normally used for preparing the surface of aluminum alloys for subsequent adhesive bonding. As the etchant reacts with the aluminum, hexavalent chromium is converted to trivalent chromium; a measure of the two and the difference can be used to determine the amount of dichromate used.

Product Details

Published:
06/01/2021
Number of Pages:
4
File Size:
1 file , 71 KB
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