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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For transfer pots The electronic file may not be reproduced in any way. Please login to your authorized staff account to use this feature. No items in cart. For referee testing, all material shall be shipped and stored in moisture-barrier containers. It is recommended that a pot diameter between Note 1—There is no known ISO equivalent to this test method. Therefore, for best interlaboratory correlation it is recommended that identical pot diameters be used.
This standard is also available to be included in Standards Subscriptions. Therefore, the force exerted by the plunger shall be measured by some means such as an accurately calibrated direct-reading force gage or proving ring. The relationship between the amount of compound and the dimensions of the transfer pot is critical in obtaining meaningful, reproducible spiral-flow values. Enter your personal account email address to request a password reset: No further reproductions authorized.
ASTM D3123 – 09(2017)
It is recommended that the plunger be equipped with axtm least one peripheral sealing groove. Permission rights to photocopy the standard may also be secured from the ASTM website www. Please first verify your email before subscribing to alerts. As the voice of the U. September 1, 1 Updated ISO equivalency statement.
Spiral Flow – Neu Dynamics Corporation
Attempts to develop a full precision and bias statement for this test method have not been successful. 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.
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Significance and Use 4.
This time will vary with the compound under test. Already Subscribed to this document.
Spiral Flow of Low-Pressure Thermosetting Molding Compounds1
Add to Alert PDF. Because this test method does not contain a round-robin-based numerical precision and bias statement, it shall not be used as a referee test method in case of dispute. Sampling, based on engineering principles, prior to packaging shall be considered an acceptable alternative. If you like to setup a quick demo, let us know at support madcad. 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 aetm own responsibility.
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. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Need more than one copy? The temperature shall be allowed to reach equilibrium by waiting at least 3 min between moldings. It involves the use of a standard spiral flow mold in a transfer molding press under specified conditions of applied temperature and pressure with a controlled charge mass.
Best Practices for Incorporating Standards Education in the. Your comments are invited either for revision of this standard or for additional standards and should be astj to ASTM International Headquarters.
Norma ASTM D()
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. Last previous edition approved in as D – 98 Precision and Bias Alternative methods of conditioning samples asm be mutually agreed upon between manufacturer and purchaser. 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 procedure is essential when changing from one compound to another and is recommended as a routine practice.
Data Sheet for CalCoat Standards Subsctiption may be the perfect solution. Read the spiral flow length directly from the molded specimen at the point of farthest continuous flow to the nearest 0. They shall be stored for a minimum of 24 h at the standard laboratory temperature, before breaking the seal on the container.
D — 09 Standard Test Method for Spiral Flow of Low-Pressure Thermosetting Molding Compounds1 This standard is issued under the fixed 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. A number in parentheses indicates the year of last reapproval. NOTE 5—Preforms or pellets may be used if found necessary; however, flow length may be affected by their use.
You may delete a document from your Alert Profile at any time. However, a few well-documented cases are recorded where differences in pot diameters, even within this listed range, have caused large differences in flow-length readings. Please first log in with a verified email before subscribing to alerts.