This standard establishes a method for determining the number of threads per unit length of warp and weft of glass fabrics, glass tapes and non-woven fabrics.
GOST 6943.15-1994 history
1994GOST 6943.15-1994 Textile glass. Woven fabrics. Non-woven cloth. Methods for determination of number of yarns per unit length of warp and weft
1979GOST 6943.6-1979 Glass textile products. Methods of density and non-inflamability determination