ASTM D 4974 Thermal Shrinkage Tester

ASTM D 4974 Thermal shrinkage tester is used for the shrink test of yarn and cord at controlled temperature. ASTM D 4974 Thermal shrinkage tester Features: 1. PLC control and touch screen operation 2. Yarn holder and heat unit separate design, not interfere between yarn sample and heating area before test 3. PID temperature control 4. Temperature range: ambient~250°C. 5. Time range up to 9999 seconds Standard: ASTM D 4974: Standard Test Method for Hot Air Thermal Shrinkage of Yarn and Cord Using a Thermal Shrinkage Oven