Advanced Melt Flow System. The 6MPCA is the most advanced digital model offered within the Ray-Ran range of melt flow index testers. The operating. Find the most up-to-date version of ASTM D at Engineering ASTM D(). Standard Test Method for Flow Rates for Poly(Vinyl Chloride) with Molecular Structural Implications. standard by ASTM.
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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Software for Series Systems.
ASTMD Standard Test Method for Poly(Vinyl ride) with Molecular Structural Implications_百度文库
Most regulators designed for Test Method D cannot control better than Contact Us View Accessories Catalog. 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. If instability still occurs, particularly at high? Since Q is the volumetric?
Users of this test method should apply the principles outlined in Practice E to generate data speci? Note 1—There is no known ISO equivalent to this standard.
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
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. Originally published as D — The principles of This test method is useful for quality-control tests on PVC compounds having a wide range of melt viscosities.
ASTM D3364 Flow Rates for Poly Vinyl Chloride
It is the responsibility of the user of asm standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Current research for multiweight testing has reached levels of 50 kg and these are particularly good for rigid PVC. The data in Table 3 should not be rigorously applied to acceptance or rejection of material, as those data are speci?
The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.
However, as a one-point measure of flow relative to shear rate, its one drawback is that the same PVC melt flow values can be obtained for materials having different processibility; the chance of this happening is minimized, however, if the compounds are similar in composition. Summary of Test Method 4. Correlations with a wide range of processing conditions have supported the conclusions that little or no change in composition occurs during the test.
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ASTM D3364 – 99(2011)
The cause of this unstable condition should be studied and understood. Temperature Total load on piston Approximate pressure Charge Plugged ori? The sensitivity of this test method makes it useful for correlating with processing conditions and as an aid d33644 predicting changes in processing. Please confirm that you agree with our privacy and cookies policy to submit this form. Measurements are made at shear rates close to 1 s? This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?
These changes are due to three types of measured instability in polymers: Individual reprints single or qstm copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Thus, this test is able to detect and follow profound changes which occur during extrusion, injection molding, milling, or mixing.
However, as a one-point measure of?