Standards / Research Reports
Research Report RR:D01-1113An interlaboratory study of the ring and ball-softening point of rosin and three resins was run in by 9 laboratories for E28.
E28-99(2009) Standard Test Methods for Softening Point of Resins Derived from Naval Stores by Ring-and-Ball Apparatus
Committee D01 on Paint and Related Coatings, Materials, and Applications
Subcommittee D01.34 on Pine Chemicals and Hydrocarbon Resins