Click to Purchase and Download this Standard or Test Method
Updated On: October 07, 2008
1.1 This test standard covers equipment and methods for using phosphomolybdic acid (PMA) to detect gross defects and mechanical damage including wear through in metallic coatings of gold, silver, or palladium. These metals comprise the topmost metallic layers over substrates of nickel, copper, or copper alloys.
1.2 Recent reviews of porosity testing, which include those for gross defects, and testing methods can be found in the literature. , An ASTM guide to the selection of porosity and gross defect tests for electrodeposits and related metallic coatings is available as Guide B 765. Other related porosity and gross defects test standards are Test Methods B 735, B 741, B 798, B 799, B 809, and B 866, Specifications B 488, B 679,and B 689.
1.3 The values stated in SI units are the preferred units. Those in parentheses are for information only.
1.4 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.
Metal Patching Compound
One Part / Ready to Use / High Temperature. Fill surface imperfections, voids, rough welds prior to painting and powder coating.
Schmidt Improves Portable Blasters
Schmidt's VBS System reduces blowdown intensity, prevents exhaust from damaging floor while using no screens or filters.
Reduces sound; Increasing safety. Call 1-800-231-2085
OUR QUALITY & YOUR TIME.
Many service issues can be easily
solved over the phone. When you
do need parts, ADI has most in stock for all
your blasting needs.