Study of Various Fire Retardants on the Flammability of Polypropylene Materials UDC 66.022.387 https://doi.org/10.24412/2079-7958-2023-3-61-68 Authors Alena L. Antonava… https://vestnik.vstu.by/eng/issues/vestnik-46/chemical-engineering/study-various-fire-retardants/