ASTM D3123 PDF

Flow of Low-Pressure Thermosetting Molding Compounds. Article no: STD- Edition: Approved: 9/1/ No of pages: 4. Replaces: ASTM D ASTM-D Standard Test Method for Spiral Flow of Low-Pressure Thermosetting Molding Compounds – spiral flow; thermosets;; ICS Number Code Standard Number, ASTM D – 09(). Title, Standard Test Method for Spiral Flow of Low-Pressure Thermosetting Molding Compounds.

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The elapsed time between insertion of the charge into the pot and the development of pressure on the charge by the plunger shall be no more than 5 seconds. Originally approved in Please sign into an account with a subscription to this content, or email for help at support madcad.

Precision and Bias We have no amendments or corrections for this standard.

D — 09 FIG. D — 09 sufficiently accurate for determining transfer pressure. 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.

Spiral Flow – Neu Dynamics Corporation

Therefore, the force exerted by d31223 plunger shall be measured by some means such as an accurately calibrated direct-reading force gage or proving ring. Current edition approved Sept. Enter your account email address to request a password reset: The right to access the electronic files of ASTM Standards is for purposes of viewing for individual use only. As the voice of the U.

Spiral Flow of Low-Pressure Thermosetting Molding Compounds1

Subscription pricing is determined by: It is recommended that the plunger be equipped with at least one peripheral sealing groove.

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The actual transfer pressure d1323 then calculated as pascals or pounds per square inch by dividing the force in newtons or axtm by the plunger area in square adtm or square inches. Add to Alert PDF. Please login to your authorized staff account to use this feature.

Note 1—There is no known ISO equivalent to this test method. If you like to setup a quick demo, let us know at support madcad. There were no books found for the applied search filters. You currently cannot view this content. Last previous edition approved in as D – 98 Enter your personal account email address to request a password reset: Cure the astn as recommended x3123 easy removal.

This standard is also available to be included in Standards Subscriptions. Material-Testing – Learn Civil Engineering. No items in cart. Search book title Enter keywords for book title search. Measure the temperature in accordance with the procedures described in Practice D or by thermocouples attached to the mold and plunger.

It involves the use of a standard spiral flow mold in a transfer molding press under specified conditions of applied temperature axtm pressure with a controlled charge mass. NOTE 4—There is considerable evidence that the test is usable over a wider range of flow lengths, but this has not yet been confirmed by interlaboratory testing.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. Remember me for one month. They shall be stored for a minimum of 24 h at the standard laboratory temperature, before breaking the seal on the container.

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This standard is not included in any packages. NOTE 5—Preforms or pellets may be used if found necessary; however, flow length may be affected by their use. For this reason, data on precision awtm bias cannot be given.

Spiral Flow of Low-Pressure Thermosetting Molding Compounds1

Your Alert Profile lists the documents that will be monitored. 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.

However, a few well-documented cases are recorded where differences in pot diameters, even within this listed range, have caused large awtm in flow-length readings. We have no document history for this standard.

No further reproductions authorized. Asttm preliminary moldings shall be made with the material to be tested to purge the helical runner before beginning the test. Attempts to develop a full precision and bias statement for this test method have not been successful. It is especially suited for those compounds used for encapsulation or other low pressure molding techniques.

The use of excessive amounts of compound will result in shorter, inconsistent spiral flows. Therefore, for best interlaboratory correlation it is recommended that identical pot diameters be sstm.

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