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Shrinkage of PE-films (Betex- instrument) Examinations in the field Mechanical/ technological properties of Innoform Testservice
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Shrinkage of PE-films (Betex- instrument)

In-house method with Betex tester Principle: On a heating plate, wetted with polyethylene glycol, a round specimen of plastic film with a diameter of 50 mm is placed. The shrinkage takes place while the specimen is free "swimming" in the hot Polyethylenglykole. Suitable e.g. for PE films, test parameters T = 150 ° C / t = 30 s, the shrinkage [%] is determined in machine and transversal direction.

test method:Mechanical/ technological properties
Norms: -
Needed sample size:sample over total width of material, min length: 0,5 m

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Matthias Böhne +49 441 94986-11

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