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Information about tests

Water vapour transmission rate (WVTR) plastic films, laminates, coated papers and aluminium foils

Measurement is performed using the water vapor specific hydrolysis method. Usually deviating from the standard as a double determination.

test method:permeation
Norms: DIN EN ISO 15106-3 (2005-05)
Needed sample size:optimum: 2 DIN A 4 sheets without folds, creases or other damages


WVTR film standard 23°C/ 85 % rel. humidity
Test programm standard "europe"

WVTR standard 38°C/ 90 % rel. humidity
Testing programm standard "tropical climate/ Asia/ USA"

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