STM PDF

Coal and coke - Coal preparation plant - Density tracer testing for measuring performances of coal density separators. Original standard ISO 5146-2023 in PDF full version. Additional info + preview on request

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Plastics - Determination of specific aerobic biodegradation rate of solid plastic materials and disappearance time (DT50) under mesophilic laboratory test conditions. Original standard ISO 5148-2022 in PDF full version. Additional info + preview on request

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Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1- Definitions, classification and selection criteria. Original standard ISO 5149-1-2014 in PDF full version. Additional info + preview on request

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Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1- Definitions, classification and selection criteria - Amendment 1- Correction of QLAV, QLMV. Original standard ISO 5149-1-2014 amd1-2015 in PDF full version. Additional info + preview on request

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Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1- Definitions, classification and selection criteria - Amendment 2- Update of Annex A and the refrigerant tables. Original standard ISO 5149-1-2014 amd2-2021 in PDF full version. Additional info + preview on request

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Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2- Design, construction, testing, marking and documentation. Original standard ISO 5149-2-2014 in PDF full version. Additional info + preview on request

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