This part of GB/T 18147 specifies the test method for the fineness of hemp fiber (the method of weighing in the middle section). This section applies to hemp strips and cotton-type hemp fibers.
GB/T 18147.4-2015 Referenced Document
GB/T 18146.2 Hemp fiber.Part 2:Raw white hemp sliver
GB/T 18146.3 Hemp fiber.Part 3:Cotton type hemp fiber
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 9995 Determination of moisture content and moisture regain of textile--Oven-drying method
GB/T 18147.4-2015 history
2015GB/T 18147.4-2015 Test method for hemp fiber.Part 4:Test method for fineness of hemp fiber
2000GB/T 18147.4-2000 Test method for hemp fibre-Part 4:Test method for fineness of hemp fibre