Seal resistance of printings or coatings (heat resitance)

Over sealing of the sample by laboratory sealer against fine paper with smooth or structurated sealing bars, determination of max Ts [°C] till deterioration of printing or laquer (adhesion, discoloration) with constant ps [N/cm²], ts [s].

Test Method Group: Mechanical properties

Norms:

Sun Chemical Hartmann PV 20 (2005-01) Determination of heat seal resistance with smooth sealing tools

Required Sample Amount: Sample over total width of material, at least 10 repeating patterns respectively 5 packages

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