The fiber thermal shrinkage tester is lately developed based on the digital technology. It is applied to the dry thermal shrinkage test of staple chemical fibers. The instrument is read by the imaging device in turn to read the changes of the fiber length before and after the heating of the fiber on the cylinder frame, and the average heat shrinkage and coefficient of variation of the fiber are calculated automatically. The test process is monitored by the computer and the test results are automatically displayed and printed.
Application
The instrument can meet the requirements of FZ / T50004-1991 standard, and it can be widely used in chemical fiber, textile and other production enterprises, fiber inspection institutions and scientific research units for single chemical fiber thermal shrinkage test.
Standards
FZ/T50004-1991 Test method for shrinkage in hot air of polyester staple fibers
| Items | Parameters |
| Measuring range of thermal shrinkage | 0～25％ |
| Precision | ±0.01mm |
| Error of the thermal shrinkage | ≤±0.1％ |
| Gauge between the upper and the lower clamp | 20mm±1mm |
| Number of objective fibers on the sample cylinder | 35 |
| Power | 220V±10％ |
| Weight | 20kg |
| Size | 450×300×360(mm) |
◆ Instrument structure is compact
◆ Application of image processing technology makes the instrument measurement fast
◆ The test results are accurate and stable
◆ Easy to operate
◆ Instrument failure rate is small
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