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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A number in parentheses indicates the year of last reapproval. Carry on browsing if you’re happy with this, or find out how to manage cookies and read our Privacy notice. Should the results of either of these tests be below the specied requirements, the samples shall be considered to have failed astn meet the specications.
astmm View Resources Brochures and catalogs. For those blacks where 75 parts are used, the calculated specic gravity is 1. D — 04 Standard Test Method for Rubber—Deterioration in an Air Oven1 This standard is issued under the xed designation D ; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.
For specic precautionary statement, see Note 1. Features Natural rubber, black, 80 Shore A, wear resistant. At least 24 h must elapse between completion of the vulcanization of the samples and the start of the aging test.
A common supply was set up for all the materials needed to prepare compounds in accordance with the tables of this Annex. No values are asfm for r or R because of the near zero average values for some of the materials. 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.
This test method may, however, e573 used to evaluate rubber compounds on a laboratory comparison basis. For higher temperatures, Type IIA ovens are necessary. Results on specimens that are found to be imperfect shall be discarded and retests shall be made.
But if the results are below the specied requirements, two additional specimens shall be prepared from d73 original sample and tested. For further details, please read our Privacy Notice.
ASTM D573 Rubber – Deterioration in an Air Oven
Last previous edition approved in as D — Your web site address. Two single test results obtained in two different laboratories, under normal test method procedures, that differ by more than the tabulated R for any given level must be considered to have come from different or nonidentical sample populations.
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.
IRB or Industry Reference Black may be used as a d5573 alternative, but the same xstm may not be obtained. These tables are listed 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. The appropriate asttm 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.
ASTM D – 04() Standard Test Method for Rubber—Deterioration in an Air Oven
The values given in parentheses are for information only. If possible, avoid simultaneous aging of a mixed group of different compounds.
This test method is selected as a location since it is the most frequently used standard test for evaluating compounds for accelerated aging performance. For apparatus not equipped with automatic recording capabilities, temperature shall be measured with sufficient frequency to ascertain that the temperature limits specied in View About Us R573 the Team.
ASTM D573 – 04(2015)
Signicance and Use 4. In determining the physical properties after aging, the nal values ast 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 values for the ve specimens shall be used: Get in contact with us Please give us your feedback using this form.
These are compared with the properties determined on the original specimens and the changes noted.
asm 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. In this initial precision work, some of the standard compounds that were currently included in Methods D 15 were used. The results of wstm test method may not give an exact correlation with service performance since performance conditions vary widely.
All laboratories that participated in any interlaboratory program drew their materials from this common uniform supply; thus the within-materials source of variation was reduced to the lowest possible practical level. Reference values do not exist for this test method since the value of the test property is exclusively dened by the test method.
ASTM D Rubber – Deterioration in an Air Oven
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Intervals frequently used are 3, 7, and 14 days. View Cases Fine wines. With rapid aging types of rubber or those containing or contaminated by certain oxidizing chemicals, the rate of oxidation may be catalyzed to such an extent as to become violent with increasing temperatures.
Refer to this practice for terminology and other statistical calculation details.