ASTM D4574-22
Standard Test Methods for Rubber Compounding Materials—Determination of Ash Content
| Označení normy: | ASTM D4574-22 |
| Vydáno: | 01.06.2022 |
| Status: | Active |
| Počet stran: | 4 |
| Sekce: | 09.01 |
| Označení: | accelerators; antidegradants; ash; rubber compounding materials; sulfur; |
| ASTM označení: | ASTM D4574 |
| Nahrazuje: | D4574-06R21 |
1.1 These test methods cover the determination of ash content of rubber chemicals.
1.2 The test methods include the following materials:
| Material | Section |
| Sulfur | 7 – 13 |
| p-Phenylenediamine Antioxidants | 14 – 22 |
| Benzothiazole Sulfenamide Accelerators | 14 – 22 |
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.