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ISO 7810Identification cards — Physical characteristics 8.7 Peel Strength
Stipulates test method as per ISO/IEC 10373-1 for determining the Peel Strength of cards. Section 8.7 of ISO 7810 "Component layers of material that form the card structure shall be bonded to the extent that any layer shall possess a minimum peel strength of 0,35 N/mm (2 lbf/in). If the layer tears during the test, this signifies that the bond is stronger than the layer, which is automatically deemed acceptable."