Active Standard: D543 - 06
5 year review: Subject: WK 28684 5 year review ASTM D543-06 At the recommendation of the subcommittee, this is a re-ballot of the 5 year review of D543 Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents, addressing an accepted, negative vote that found unacceptable use of permissive language and including suggestions for conditioning tolerance language in Section 10. Please review this standard for the elimination of reference to withdrawn Standard D1898, and elimination of permissive language. Permissive language in non-mandatory notes is retained. Changes made in previous ballot D20 (12-021) Closing Feb 25,12 are included.
Keywordschemical reagent; dimensional changes; exposure; mechanical property changes; plastics; stress;
Draft Under Development