ASTM E28-99 - 10.12.1999
 
1. Scope

1.1 These test methods are intended for determining the softening point of resins (including rosin) and similar materials by means of the ring-and-ball apparatus.

Note 1-For testing asphalts, tars, and pitches, see Test Methods D 36.

1.1.1 Test method using the manual ring and ball softening point apparatus, and

1.1.2 Test method using an automated ring and ball softening point apparatus.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 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.

 
2. Referenced Documents

D36-06

Standard Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus)

E1-14(2020)

Standard Specification for ASTM Liquid-in-Glass Thermometers

E177-20

Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods

E691-23

Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method