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Mechanical properties

RN Rahmi Nurdiani
RM Rica D.A. Ma’rifah
IB Ihda K. Busyro
AJ Abdul A. Jaziri
AP Asep A. Prihanto
MF Muhamad Firdaus
RT Rosnita A. Talib
NH Nurul Huda
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Tensile strength (TS) and elongation at break (EAB) percentages were measured using an SSB 0500 model Tensile Strength and Elongation from Tester Industries based on a previously reported method (ASTM, 2003). Prior to measurement, active films were conditioned in a desiccator with 75% relative humidity (RH) for 24 h. The maximum force value for cutting the measured film was observed on the tool display. The strength was determined based on the maximum load at the time the film broke, while the percentage of elongation was calculated based on the film’s length when the film broke. The active packaging surface area was measured according to a 3 × 7 cm2 area. TS can be calculated using the following formula:

where F is the tensile stress (N) and A is the cross-sectional area (mm2).

Copyright and License information:  ©2022 Nurdiani et al.
This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.

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