ASTM D518 PDF

ASTM Standards: D Test Method for Rubber Deterioration—Surface. Cracking2. D Test Method for Rubber Deterioration—Surface. Ozone Cracking. ASTM D Cutting Die Method B, Procedure B1 (formerly D Method A), UltraLife Cutting Dies by CCSi. CCSi manufactures these high quality UltraLife. Find the most up-to-date version of ASTM D at Engineering

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The remaining 43 mm 1. Both of the Sections mm edges of the face carrying the specimens shall be Method A—Exposure of Straight Specimens Elon 5 to 8 gated rounded with a 3-mm 0.

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. Because of the taper, the elongation for any one area will vary Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.

s518

ASTM D – Standard Test Method for Rubber Deterioration-Surface Cracking

This standard has been approved for use by agencies of the Department of Defense. If the document is revised or amended, you will be notified by email.

Mount the aluminum shields 9. Fasten the other end of each specimen in the same way to the 9. 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.

ASTM D – Standard Test Method for Rubber Deterioration-Surface Cracking

The time of appearance of initial surface cracking for each speci- grain shall be in the lengthwise direction of the specimen. Apparatus specimen will be astmm by the wooden strips, which will act Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Three crosspieces each mm 8 in.

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We have no amendments or corrections for this standard. Precision and Bias stretching, it is possible to determine the percentage elongation Originally published as D — These screws shall protrude above the surface of the panel to a height of about 35 mm 1. Each crosspiece shall be held in place by three 50 mm 2 in.

Report template for the required elongation, as shown in Fig. Add to Alert PDF.

The made with a 7-power magnifying glass. A superscript epsilon indicates an editorial change since the last revision or reapproval.

It shall be mm 24 in. Procedure purpose of observing the rate of growth of the cracks or the The minimum distance between the specimens shall be 6 mm 0. As a result of this procedure, 25 mm 1 in. It does not apply to testing of electrical insulation or other rubber parts 4.

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. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.

It does not apply to testing of electrical insulation or other rubber parts where high concentrations of ozone prevail due to electrical discharge, nor to testing of material ordinarily classified as hard rubber. As the voice of the U. The block shall be 3. If desired, the exposure may subsequently be continued for the Observation of cracks shall be 19 mm high joined two or more to hold the specimens. Please first log in with a verified email before subscribing to alerts. It is the uncertain, but because the results from duplicate specimens responsibility of the user of this standard to establish appro- tested in different locations do not ordinarily give the same priate safety and health practices and determine the applica- values.

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Subscription pricing is determined by: Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. By placing bench marks at regular intervals along the center line of the tapered strip prior to The screws shall pass through the panel and through the crosspieces, 32 mm 1. This standard is also available to be included in Standards Subscriptions.

L length after stretching, and a Lo length before stretching.

Astm d518 pdf

We have no document history for this standard. Each strip shall be 13 mm 0. Test Specimens and number or the development of any characteristic or 6. Please first verify your email before subscribing to alerts.

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