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This paper presents several aspects concerning the life cycle assessment (LCA) for 100% cotton fabric treated with different types of Fluor compounds using RF plasma technology and foulard technology, in order to obtain the hydrophobic effect. To highlight the effects obtained by RF (radio frequency) plasma technology was conducted in parallel a study about hydrophobic effect obtained using a dispersion of fluorine compound (NUVA TTC) on foulard. The conclusions of the study were that if we use the plasma treatment for hydrophobic effect then this would influence the environment negatively by warming generated by gases and power consumption, when using the foulard method and chemical substances already established, the impact would consist of increasing the consumption of fossil flues, respiratory inorganics, and climate change. We analyzed the life-cycle inventory (LCI) and life-cycle assessment (LCA) using SimaPro software and Eco-indicator 99. For obtaining the LCI, we used to input and output technical data, from the plasma / foulard process, and the SimaPro software for generating the LCA based on these data. The input data about raw material, energy, chemical substances, have been collected by direct measurements on machinery, device logs and specifications of the equipment (technical books) and processes. The output data (waste energy and chemicals) were obtained using statistics, internet databases, and SimaPro software. The objective of our scientific initiative has been to study the sustainability of the RF plasma technology used for hydrophobization, and we obtained that plasma technology used for hydrophobic effect is less eco-friendly than foulard technology for a functional unit of 1 kg treated material.