FIELD: textile industry. SUBSTANCE: invention relates to technology of manufacturing threads covered with oiling composition and can be used for production of composites. Combined thread formed by glass and thermoplastic filaments is covered with oiling composition consisting largely of mixture based on at least 85 wt.% water and one additive such as fatty acid ester. Composite based on at least one organic material and glass fiber contains at least partly indicated combined threads. The latter are well mixed with glass fibers ensuring satisfactory appearance of material surface. EFFECT: improved consumer's quality of material. 9 cl, 3 tbl, 4 dwg, 2 ex
