- Yarn crimp (woven)
- Count and twist from yarn in fabric
- Dye-on-fiber
- Mock dyeing/leveling
- Strip dye/re-dye
- Color reflectance measurement
- Blend analysis
- Analysis of fiber distribution in yarn
- Denier by microscopy
- Yarn cross sections
- Chemical damage assessment
- Dye rate and capacity studies
- PET density determination
- Sonic modulus of filament or tow