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Significance and Use
This test method may be used for research and development. It also may be used for quality assurance, provided a standard has been agreed upon between a producer and a user.
For identification purposes, melting range should be supplemented by measurements of a more specific physical and chemical property.
This test method is not recommended for rubber chemicals that decompose at their melting ranges.
The melting range as determined by Test Method A
1.1 These test methods cover the determination of the melting range of commercial rubber processing chemicals either by use of capillary melting point tubes or by differential scanning calorimetry (DSC).
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D4483 Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
E1 Specification for ASTM Liquid-in-Glass Thermometers
E324 Test Method for Relative Initial and Final Melting Points and the Melting Range of Organic Chemicals (Discontinued 2001)
E473 Terminology Relating to Thermal Analysis and Rheology
E967 Test Method for Temperature Calibration of Differential Scanning Calorimeters and Differential Thermal Analyzers
ICS Number Code 83.040.20 (Rubber compounding ingredients)
UNSPSC Code 12350000(Compounds and mixtures)