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Supported standards

List of standards supported by Innoform

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Details of the selected standard

Standard type:DIN
Name:DIN 55403
Designation:Verpackungsprüfung – Prüfverfahren für Verpackungsfolien – Bestimmung der Rollneigung

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Tests of this standard

Curling or flatness
The curling of sheet materials depends generally on temperature and conditioning state. So multilayer materials made of materials having different coefficients of thermal expansion or unequal expansion/shrinkage due to deviating hygroscopic tendency may tend to curl caused by a kind of bi-metall effect. In addition to that excessive mechanical stress in the processing of rolls can lead ot curling.

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Heike Schwertke +49 441 94986-14