Content - Laboratory Testing Services
Laboratory Testing Services

Uster Technologies offers a top-class textile testing service. Its dedicated laboratories in Switzerland and China carry out tests on cotton fibers and blends on different process steps – as well as analyzing staple and filament yarns of all raw materials.
The following fiber tests are offered:
Process control with USTER® HVI
(Testing material: bale)
- Length
- Fineness
- Maturity
- Trash and dust
- Moisture
- Micronaire
- Strength and elongation
- Reflection and yellowness
- Spinning consistency index
Cotton Classing & Fiber Selection with USTER® AFIS PRO 2
(Testing material: bale and processed fibers)
- Length
- Fineness
- Maturity
- Trash and dust
- Fiber neps and seed coat neps
- Visible foreign matters
Staple yarn testing offered include:
- Yarn evenness USTER® TESTER 6
- Yarn imperfections (thin places, thick places and neps) USTER® TESTER 6
- Yarn diameter USTER® TESTER 6
- Trash and dust USTER® TESTER 6
- Yarn hairiness USTER® TESTER 6
- Yarn hairiness length classification USTER® TESTER 6, USTER® ZWEIGLE HL400
- Seldom-occurring yarn faults USTER® CLASSIMAT 5
- Yarn strength USTER® TENSORAPID 5, USTER® TENSOJET 5
- Yarn elongation USTER® TENSORAPID 5, USTER® TENSOJET 5
- Yarn count USTER® TESTER 6, USTER® ZWEIGLE YARN REEL
- Yarn twist USTER® ZWEIGLE TWIST TESTER 5
Filament yarn testing offered include:
- Yarn evenness USTER® TESTER 6-C
- Yarn strength USTER® TENSORAPID 5-C
- Yarn elongation USTER® TENSORAPID 5-C
- Modulus USTER® TENSORAPID 5-C
- Fatigue tests USTER® TENSORAPID 5-C
- Hysteresis tests USTER® TENSORAPID 5-C
- Intermingling (Interlaces) USTER® TESTER 6-C
USTER laboratories in Switzerland and China provide testing services and expert guidance for interpreting the test results.