This standard specifies a method for measuring dimensional changes in the longitudinal and transverse directions of plastic films and sheets when heated. This method can be applied to plastic sheets less than 1 mm thick, regardless of heat shrinkage.?
KS M ISO 11501:2014 history
2019KS M ISO 11501-2019 Plastics — Film and sheeting — Determination of dimensional change on heating
2014KS M ISO 11501:2014 Plastics — Film and sheeting — Determination of dimensional change on heating