Woven fabric element for the production of work clothing parts for protection against the effects of heat, flames and electric arcs, with a frame casing 3/1 consisting of approximately 36 fibers/cm chains and approximately 23 fibers/cm wefts and overall mixtures of chain yarn and weft yarn of approximately 41 % viscose, approximately 30 % to 41 % meta-aramid, approximately 17 to 29 % paramid and approximately 1 % polyamide with a carbon core.