TEST METHOD
The Thermal Shrinkage Tester tests the impact of hot air on industrial and technical filament yarn such as tyre cord. Product details and test parameters are entered in the software program.
Samples are prepared and pre-tensioned by means of clamping pretension weights onto the yarn ends. By a mouse click or by pressing the instrument button, the measurement is started
and performed according to the selected test parameters. The oven-type heater automatically moves to cover the samples, which are heated by hot air to the pre-set temperature.
After completed heating period, the oven automatically uncovers the samples to finish the measurement or to start a measurement of the residual shrinkage properties of the filament
depending on entered specifications.
BENEFITS
- Highly efficient thermal yarn shrinkage testing
Testing of two yarn samples in one and the same test run. Combine testing of shrinkage % and shrinkage force
(one yarn sample each) or test either two samples for % shrinkage or two samples for shrinkage force.
- Testing for multiple purposes
Use TST 2 for standardized quality control or for advanced material research and development. The extensive
software program allows for individual settings of temperature and time as well as for individually programmable
test cycles to meet your testing objectives.
- Objective measurement
A fully automated measurement procedure guarantees for unbiased thermal shrinkage measurements with no
human impact on the test results.
- Easy analysis at a glance
During the measurement, the impact of the heat on the tested material can be observed both graphically and
numerically in real-time. After completed measurement, the generated report offers all data for detailed analysis.
- Special version for coarse yarns
For yarns of higher titer (dtex/den), TST HD is the choice. TST 2 HD is especially designed to withstand the
higher forces developed in coarse yarns during the shrinkage force test.
- Built for strength and mobility
With robust construction, TST 2 provides long-lasting and reliable performance and can be easily moved and set up
wherever it's needed.
TEST STANDARDS
ASTM D4974, ASTM D5591 , EN 13844.
