Optical inspection method for measuring the dimensional change of polyethylene terephthalate (PET) films after heating is specified in this standard. Test conditions, equipment requirements and data processing procedures are described in detail to assess the dimensional Stability of PET films in high temperature environments. Adherence to this standard ensures dimensional conformity and performance Reliability of the films during use.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
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| CCS | ICS | ||
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