ASTM D 955 : 2008 : R2014
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Standard Test Method of Measuring Shrinkage from Mold Dimensions of Thermoplastics
Available format(s)
Hardcopy , PDF
Superseded date
31-05-2021
Superseded by
Language(s)
English
Published date
11-08-2014
Important note : Users cannot be edited or removed once added to your Multi user PDF.CONTAINED IN VOL. 08.01, 2016 Defines the method intended to measure shrinkage from mold cavity to molded dimensions of thermoplastics when molded by compression or injection processes with specified process conditions.
| Committee |
D 20
|
| DocumentType |
Test Method
|
| Pages |
8
|
| ProductNote |
Reconfirmed 2014
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1This test method is intended to measure shrinkage from mold cavity to molded dimensions of thermoplastics when molded by compression or injection processes with specified process conditions.
1.2This test method covers shrinkage measurements at 24 and 48 hours.
1.3This method will give comparable data based on standard specimens and can not predict absolute values in actual molded parts with varying flow paths, wall thicknesses, pressure and temperature gradients and process conditions. Differences in mold shrinkage may also be observed among the three specimen geometries described in this test method.
1.4The values stated in SI units are to be regarded as the standard. The values given in parentheses are given for information only.
1.5This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.
Note 1:This standard and ISO 294-3 are equivalent in the design of specimen D2. This test method is equivalent to ISO 294-4 where Type D2 specimens and the procedure in Appendix X2 are used.
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| ASTM D 3641 : 2010 : REV A | Standard Practice for Injection Molding Test Specimens of Thermoplastic Molding and Extrusion Materials |
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| ASTM D 4066 : 2001 | Standard Classification System for Nylon Injection and Extrusion Materials (PA) |
| ASTM D 3641 : 2014 | Standard Practice for Injection Molding Test Specimens of Thermoplastic Molding and Extrusion Materials |
| ASTM D 4976 : 2002 | Standard Specification for Polyethylene Plastics Molding and Extrusion Materials |
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| ASTM D 6779 : 2012 : REV A | Standard Classification System for and Basis of Specification for Polyamide Molding and Extrusion Materials (PA) |
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| ASTM D 4066 : 2000 : REV A | Standard Classification System for Nylon Injection and Extrusion Materials (PA) |
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| ASTM D 4066 : 1996 | Standard Classification System for Nylon Injection and Extrusion Materials (PA) |
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