Abstract
In this study, we examined the physical, chemical, and microbial properties of two types of industrial paperboards, with the same initial basis weight (Grammage = 180 g/m2). One type was made from bagasse (Sugarcane stalk residue), while the other was recycled. Following the guidelines set by the International Organization for Standardization, we employed various apparatuses to analyze the similarities and differences between the two paperboards, with the results undergoing statistical analysis. The findings showed that both types of paperboards met the quality indicators established by the standards of the International Organization for Standardization. Notably, the bagasse-based paperboard exhibited superior microbial properties, hydrophilicity, water absorption, flexibility, folding endurance, tear resistance, and stiffness compared to recycled paperboard. Conversely, the recycled paperboard demonstrated higher tensile strength than the bagasse paperboard. Overall, the results indicate that both types of paperboards provide viable solutions to various challenges in sustainable packaging and could help address issues within the food packaging industry.
Acknowledgments
The authors are thankful to the Pishro Kaghaz Pars Company (www.pars-pack.com) for providing laboratory services to conduct this research.
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Research ethics: Not applicable.
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Informed consent: Informed consent was obtained from all individuals included in this study, or their legal guardians or wards.
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Author contributions: Elaheh Gharehkhani: Project administration, Supervision, Funding acquisition, Conceptualization, Data Curation, Validation. Reza Beiranvand: Validation, Resources, Data Curation, Laboratory conducting, Writing-Review & Editing, Discussion. Hossein Gharebeiglou: Material preparation, Formal analysis, Investigation, Writing-Original Draft, Methodology.
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Use of Large Language Models, AI and Machine Learning Tools: None declared.
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Conflict of interest: The authors state no conflict of interest.
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Research funding: None declared.
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Data availability: The raw data can be obtained on request from the corresponding author.
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Supplementary Material
This article contains supplementary material (https://doi.org/10.1515/npprj-2025-0012).
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