Influence of air temperature and multi-cycle bending on the level of waterproofness of membrane textile materials UDC 677.017 https://doi.org/10.24412/2079-7958-2026-1-48-56… https://vestnik.vstu.by/eng/issues/vestnik-55/technology-materials-and-products-textile-industry-and-consumer-goods-industry/influence-air-temperature-and-multi-cycle-bending-level-waterproofness/