ASTM D573 PDF

ASTM D Valid from. 01/07/ Information provider. American Society of Testing and Materials. Author. American Society of Testing. ASTM D Standard Test Method for Rubber-Deterioration in an Air Oven. ASTM D Standard Test Method for Rubber—Deterioration in an Air Oven.

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IRB or Industry Reference Black may be used as a suitable alternative, but the same results may not be obtained. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

Trelleborg Customer Web Portal. View About Us Join the Team. Wrapping Black d537 film. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.

When a motor-driven fan is used, the air must not come in contact with the fan motor brush discharge because of danger of ozone formation. Located in the upper central portion of the chamber near the asym of the aging specimens.

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ASTM D573 Rubber – Deterioration in an Air Oven

If any adjustments for example, to thickness are necessary, they should be performed prior to exposure. No values are given for r or R because of the near zero average wstm for some of the materials. We’re sorry, there was an error trying to send your message.

Procedure for Accelerated Aging This test method provides a way to assess these performance characteristics of rubber, under certain accelerated conditions as specied. Last previous edition approved in as D — A superscript epsilon e indicates an editorial change since the last revision or reapproval.

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Originally approved in Tests of Unaged Specimens 9. Gage lines used for measuring elongation shall be applied after the specimens have been aged.

ASTM D573 – 04(2015)

The values given in parentheses are for information only. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Some migration is known to occur.

Mechanical fixing with bolts and profiles. The preferred location is adjacent to the recording thermometer.

ASTM D – 04() Standard Test Method for Rubber—Deterioration in an Air Oven

For specic precautionary statement, see Note 1. Also the value of r or R, or both, does not vary with the magnitude of percent elongation or percent tensile strength change. Their form shall be such that no mechanical, chemical, or heat treatment will be required after exposure. If possible, avoid simultaneous aging of a mixed group of different compounds. Refer to this practice for terminology and other statistical calculation details.

We use cookies to provide you with a better service. In experimental work, it is desirable to use a range of periods, while for routine tests of known materials, fewer intervals may be employed. In determining the physical properties after aging, the nal values shall be the median of results from three specimens except that under the following conditions two additional specimens shall be exposed and tested and the median of the aetm for the ve specimens shall be used: Two single test results, obtained under normal test method procedures, that differ by more than this tabulated r for any given level must be considered as derived from different or non-identical sample populations.

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These are compared with the properties determined on the original specimens and the changes noted. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn. Intervals frequently used are 3, 7, and 14 days. This test method may, however, be used to evaluate rubber compounds on a laboratory comparison basis. Physical Tests of Aged Specimens Mechanical, Physical and Chemical Properties.

Apply the gage lines to the dd573 for use in measuring elongations. A common supply was set up asym all the materials needed to prepare compounds in accordance with the tables of this Annex. At least 24 h must elapse between completion of the vulcanization of the samples and the start of the aging test.

After completion of the tests, the broken specimens shall be examined visually and manually and their condition noted. Ashm if the results are below the specied requirements, two additional specimens shall be prepared from the original sample and tested. For higher temperatures, Type IIA ovens are necessary.

View Resources Brochures and catalogs. The appropriate value is that value of r or R associated with a mean level in the precision tables closest to the mean level under consideration at any given time, for any given material in routine testing operation.