GLASS YARN SUITABLE FOR REINFORCING ORGANIC AND/OR INORGANIC MATERIALS Russian patent published in 2013 - IPC C03C13/00 C03C3/87 

FIELD: chemistry.

SUBSTANCE: invention relates to glass yarn which is suitable for reinforcing organic and/or inorganic materials, as well as to composites having a structure in form of a mat, mesh or fabric, made from said yarn. The glass yarn is obtained from a composition which consists of the following components, wt %: SiO₂ 62-72, Al₂O₃ 4-11, CaO 8-22, MgO 1-7, Na₂O+K₂O+Li₂O 0-7, BaO+SrO 0-4, B₂O₃ 0-4, F₂ 0-2, other components: TiO₂+ZrO₂+Fe₂O₃ (total iron)+P₂O₅+MnO+Cr₂O₃+MoO₃+ZnO+SO₃ 0-4.

EFFECT: obtaining yarn from glass with drawing range ΔT higher than 50°C, high mechanical strength and hydrolytic stability.

14 cl, 2 tbl