Fiber Properties and ldentification Tensile testing of fibers Testing conditions ASTM standard for textile testing 70°F(21°c)and65% relative humidity(RH) Stress-strain curves onFiber Properties and Identification • Tensile testing of fibers – Testing conditions: ASTM standard for textile testing: 70°F (21°C) and 65% relative humidity (RH) – Stress-strain curves   0