DIN 53380-5
DIN 53380-5
Testing of plastics - Determination of gas transmission rate - Part 5: Optical method for plastic films and moulded plastic partsstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2014
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2014