Active Standard ASTM D6605 | Developed by Subcommittee: D01.34
Book of Standards Volume: 06.03
Historical (view previous versions of standard)
Significance and Use
This practice is useful for both quality control and research.
1.1 This practice covers determination of the color stability of a hydrocarbon resin by exposure to a specific temperature for a defined time period in a forced-draft oven.
1.2 Color stability is measured by the change in color of the test resin, measured via the yellowness index color scale, in accordance with Practice E313, or the procedure for Gardner Color, Test Method D6166.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
1.4 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D6166 Test Method for Color of Naval Stores and Related Products (Instrumental Determination of Gardner Color)
D6440 Terminology Relating to Hydrocarbon Resins
E313 Practice for Calculating Yellowness and Whiteness Indices from Instrumentally Measured Color Coordinates
ICS Number Code 83.080.20 (Thermoplastic materials)