PROCEDURE
1. Conditioning sample : (23 ± 1)°C and (50 ± 2) %RH for at 5-8 hours prior to testing
2. Remove the protection foil from the ‘shiny side’ of the PVC film. Ensure that the side that the protection foil was removed from is used for the test
3. Place the test specimen onto the center of the PVC film. In case of one specimen, place it in the center of the PVC film and in case of 2 specimen
4. Place the PVC film, with the specimen on top, onto the center of a glass plate and put another glass plate on top of it
5. Place the glass plates, with the specimen in between, into the stand
6. If you have more than one test specimen, repeat the steps above by sandwiching the
7. Specimen between the glass plates. Make sure that the perspiration stand is not filled with more than 10 specimens, each between 2 glass plates
8. After fixing the screws of the top plate, remove the additional weight
9. Place the stack into the oven at 50°C ±2°C, for 16 hours
10. After heat ageing, remove the stack from the oven, open the screws from the stack & allow the stack to cool down at room temperature (23 ±2°C) for 2 hours