SS-EN-ISO-294-4 › Historical Revision Information
Plastics - Injection moulding of test specimens of thermoplastic materials - Part 4: Determination of moulding shrinkage (ISO 294-4:2001)
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This part of ISO 294 specifies a method of determining the moulding shrinkage and post-moulding shrinkage of injection-moulded test specimens of thermoplastic material in the directions parallel to and normal to the direction of melt flow. For the determination of shrinkage of thermosets see ISO 2577 [2 ]. Moulding shrinkage as defined in this part of ISO 294 excludes the effects of humidity uptake. This is included in post-moulding shrinkage and thus in total shrinkage. For cases when post-moulding shrinkage is caused by the uptake of humidity only, see ISO 175 [1 ]. Moulding shrinkage as defined in this part of ISO 294 represents the so-called free shrinkage with unrestricted deformation of the cooling plates in the mould during the hold period.It may be considered therefore as the maximum value of any restricted shrinkage.
To find similar documents by classification:
83.080.20 (Thermoplastic materials)
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Designation Name
SS-EN ISO 294-4
Revision Level
EDITION 2
Status
Superseded
Publication Date
March 7, 2003
Language(s)
English
Page Count
15
International Equivalent
EN ISO 294-4:2003 IDT* ISO 294-4:2001 IDT