It is a polyester filament with fine craters on the fiber surface.
Not only do the microscopic craters produce a deep black color, but the cross-shaped fiber cross section also provides water absorption and diffusion through capillary action.
Features
Deep black coloration
Cratering on the fiber surface produces a deep black color.
| Cross-shaped polyester filament | L* 14.51 |
|---|---|
| Criteria for dark black in other companies | L* 17.00 |
/
Color difference CIE76lab. Light source D65(10). (own research)
Water absorbency
Water absorption performance of Cross-shaped polyester filament (Test method: JIS L 1907:2010, Virec method)
Measurement: Third-party inspection organization
Lightweight
It is approximately 30% lighter than regular polyester.
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