United States Government General Specification for Textile Materials (methods of Physical and Chemical Tests). |
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100=weight of cotton actual number average beaker or vessel break shall occur cent of cotton cent solution chemical tests cotton 100=weight cotton allowed determining breaking strength distance between jaws edges slightly rounded fibers become gelatinous FILLING SPECIMENS fine-mesh wire cloth gelatinous and dissolve GRAB METHOD hydroxide and boil inches per minute inches see Table inclination balance type jaw shall travel linear yard lower or pulling mensions and positions METHOD WARP SPECIMENS number of threads potassium hydroxide proportion of cotton pulling jaw raveled residue dry weight Residue weight 95 result falls markedly RETEST WHEN NECESSARY selvage shown in Figure Six test specimens solution of sodium specifications calling specimen for testing specimen slips square yard strip method taken at less test specimens include thread count UMPIRE METHOD vegetable fibers warp and three weight 95 Weight weight per linear weight per square WOOL AND COTTON wool fibers become X100 per cent YARD The weight