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Validation procedures for assessing the properties of anti-vandal materials for applications in public transport vehicles
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Abstract
Validation of methods for assessing the properties of anti-vandal hybrid composites modified with inorganic and plant fillers, with reduced flammability and smoke emission and high resistance to vandalism, intended for use in public transport, was carried out. Four standardized procedures, intended for testing personal protective equipment (protection of upper and lower limbs), including impact, and cut resistance and flame resistance, were modified. Since the tested materials were to be used in applications beyond the scope of the original test procedures, each method required re-validation. In this work, systematic and random errors of measurements that could affect the reliability and validity of the methods were identified. Therefore, individual uncertainty components, which characterize the dispersion of values assigned to the measured quantity at a given probability level, were precisely determined and then combined into uncertainty budgets for individual methods. After the validation, the methods can be successfully used to assess anti-vandal composite materials in the context of resistance to vandalism in public transport.
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
