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See Chinese contents: GB/T 3292.1-2008 GB/T 3292.1-2008: Textiles -- Unevenness of textile strands -- Part 1: Capacitance method
This Part of GB/T 3292 specifies the method for determining the unevenness of linear density along the length of textile strands (including yarns, rovings and slivers) by using capacitance method. This Part applies to staple-fibre strands and continuous filament yarns. The test range, for staple-fibre strands, is 4 tex ~ 80 ktex; the test range, for filament yarns, is 10 dtex ~ 1 670 dtex. This Part does not apply to fancy yarns and yarns containing conductive materials (such as metal wires); the latter can be measured by the photoelectricity method (see Part 2 of GB/T 3292).
