Spinning tests under process-like conditions.
Spinning tests under process-like conditions.
Elongation-Testing SLR
The Spin Line Rheometer (SLR) is a measuring system for characterizing the spinning properties of plastic melts. The vertically extruded plastic thread is pulled off using an extensional rheometer (Haul-Off) at up to 7000 m/min. At the same time, the force in the strand is measured. The measuring system is optimized to enable the largest possible draw-off ratios and thus to simulate the synthetic fibre spinning process on a laboratory scale.
The complete system consists of an extruder, a deflection head and an extensional rheometer. Optionally, an online rheometer can also be used as a melt pump instead of the deflection head. The actual measuring head is an extensional rheometer in the Haul-Off design.
Specification
Highlights
Elongation Spin Line Rheometer HD Polyethylene
In the following graph, a measurement with high-density polyethylene at constant, slow acceleration is plotted as an example. The test is carried...
Spin Line Rheometer 8 Step Measurement PA
Plotted are 8 step measurements with polyamide. The measurements are carried out at 270°C with a die L/D = 30 / 2 mm in the deflection head and...
Spin Line Rheometer fed by MBR with PET
The following graphic shows measurements with PET at 300°C to determine the processing window. Analogous to the production machine, a 20 mm extruder...