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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Located in the upper central portion of the chamber near the center of the aging specimens. Number of Test Specimens 8. Should the results of either of these tests be below the specied requirements, the sample shall be considered to have failed to meet the specications.

Wrapping Black polyethylene film. Only specimens of similar dimensions having approximately the same exposed areas may be compared with each other. But if the results are below the specied requirements, two additional specimens shall be prepared from the original sample and tested. For specic precautionary statement, see Note 1. The results of this test method may not give an exact correlation with service performance since performance conditions vary widely.

Originally approved in 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, aastm any given material in routine testing operation.

ASTM D573 Rubber – Deterioration in an Air Oven

The preferred location is adjacent to the recording thermometer. Benefits Efficiency Safety Comfort Reliability. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

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Procedure for Accelerated Aging Mechanical fixing with bolts and profiles. This test method is selected as a location since it is the most frequently used standard test for evaluating compounds for accelerated aging performance.

The selection of suitable intervals of aging will depend on the d57 of deterioration of the particular material being tested. Their form shall be such that no mechanical, chemical, or heat treatment will be required after exposure. For those blacks where 75 parts are used, the calculated specic gravity is 1.

For apparatus not equipped with automatic recording capabilities, temperature shall be measured with sufficient frequency to ascertain that the temperature limits specied in We’re sorry, there was an error trying to send your message. Gage lines used for measuring elongation shall be applied after the specimens have been aged. Carry on browsing if you’re happy with this, or find out how to manage awtm and read our Privacy notice.

Bias, therefore, cannot be determined. IRB or Industry Reference Black may be used as a suitable alternative, but the same results may not be obtained.

ASTM D Rubber – Deterioration in an Air Oven

Intervals frequently used are 3, 7, and 14 days. Your web site address. Results on specimens that are found to be imperfect shall be discarded and retests shall be made. A common supply atsm set up for all the materials needed to prepare compounds in accordance with the tables of this Annex.

View About Us Join the Team. 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.

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A test result is expressed on the basis of a median value, as specied by Test Methods D obtained on three determinations or measurements of the property or parameter in question. If any adjustments for example, to thickness are necessary, they should be performed prior to exposure.

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. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

For higher temperatures, Type IIA ovens are necessary. This test method may, however, be used to evaluate rubber compounds on a laboratory comparison basis.

ASTM D573 – 04(2015)

Good shock impact, tear, and abrasion resistance Good heat and ageing resistance Noise and vibration propagation reduction Protection against corrosion High rigidity combined with high flexibility ensuring a perfect reinforcement of the rubber blade and a low noise operation when used for snow ploughs application. General conditions of sale. At least 24 h must elapse between completion of the vulcanization of the samples and the start of the aging test.

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