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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They shall be stored for a minimum of 24 h at the standard laboratory temperature, before breaking the seal on the container. Need more than one copy? Permission rights to photocopy the standard may also be secured from the ASTM website www.

Norma ASTM D()

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. 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. No further reproductions authorized. Note 1—There is no known ISO equivalent to this test method.

September 1, 1 Updated ISO equivalency statement. Typical examples are presses with pot diameters of You currently cannot view this content. D — 09 FIG. 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.

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This time will vary with the compound under test.

Spiral Flow of Low-Pressure Thermosetting Molding Compounds1

v3123 ASTM grants you a license as follows: Current edition approved Sept. Too long a dwell time before transferring will cause erratic results.

NOTE 2—Preliminary evidence astmm that, in many cases, reasonable correlations may be achieved between laboratories using presses with different pot diameters. This standard is not included in any packages. 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. Material-Testing – Learn Civil Engineering. Content only available by subscription. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Alternative methods of conditioning samples shall be mutually agreed upon between manufacturer and purchaser. A number in parentheses indicates the year of last reapproval.

D — asttm sufficiently accurate for determining transfer pressure. Please first verify your email before subscribing to alerts.

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Anyone wishing to participate in the development of precision and bias data should contact the Chairman, Subcommittee D It involves the use of a standard spiral flow mold asym a transfer molding press under specified conditions of applied temperature and pressure with a controlled charge mass.

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Standard Test Method for Spiral Flow of Low-Pressure Thermosetting Molding Compounds

Measure the temperature in accordance d323 the procedures described in Practice D or by thermocouples attached to the mold and plunger. Enter your account email address to request a password reset: For this reason, data on precision and bias cannot be given. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

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