ASTM D4214 – Standard Test Methods for Evaluating the Degree of Chalking of Exterior Paint Films
Description:
Significance and Use
4.1 The procedures provide a broad range of techniques and photographic references to evaluate chalking of exterior paints.
Scope
1.1 These test methods cover the evaluation of the degree of chalking on white or tinted exterior paint films. These test methods describe the procedures recommended for transferring the chalk to a fabric or fingertip, which is then compared to photographic reference standards, or in the case of adhesive tapes, compared to a reflectance table or photographic reference standards, to determine the degree of chalking.
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 D4213