ASTM D3322 – Standard Practice for Testing Primers and Primer Surfacers Over Preformed Metal
Description:
Significance and Use
4.1 Primers and primer surfacers may be used over many different surfaces top coated with one or more of a variety of coatings and subjected to many kinds of wear and exposure.
4.2 The selection of the tests to be used for any given product or system must be governed by experience and by the requirement agreed upon between the producer and the user.
Scope
1.1 This practice covers the selection and use of procedures for testing primers and primer surfacers.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
ASTM D3321