Corduroy Fabric Testing

Corduroy is a textile with characteristic longitudinal wale stripes on its surface. Named for its cord‑like stripes, it delivers soft hand‑feel, good warmth retention and distinct texture. It is widely applied in apparel, home textiles and decorative materials. Testing institutions perform systematic inspections on fiber composition, physical performance, chemical safety and color fastness in accordance with national and industrial standards, so as to make sure products meet market access requirements.

Corduroy testing covers raw‑material analysis, weaving‑process evaluation and finishing‑effect inspection. Test data supports manufacturers for process improvement and provides quality verification for purchasers. A complete test report with numerical results and judgment conclusions will be issued after testing.

Test Scope

1. Fine‑wale corduroy

2. Medium‑wale corduroy

3. Coarse‑wale corduroy

4. Wide‑wale corduroy

5. Extra‑wide‑wale corduroy

6. Stretch corduroy

7. Polyester‑cotton corduroy

8. 100% cotton corduroy

9. Printed corduroy

10. Jacquard corduroy

11. Burn‑out corduroy

12. Hot‑stamping corduroy

13. Embossed corduroy

14. Coated corduroy

15. Brushed corduroy

16. Yarn‑dyed corduroy

17. Faux‑fur‑like corduroy

18. Slub corduroy

19. Lurex corduroy

20. Colored cotton corduroy

21. Organic cotton corduroy

22. Tencel corduroy

Test Items

1. Fiber Composition Analysis: Determine mass proportion of each fiber contained in fabric.

2. Breaking Strength: Measure fabric fracture‑resistant capacity under tensile load.

3. Tearing Strength: Evaluate resistance against tear propagation.

4. Pilling Resistance: Detect pilling degree on fabric surface.

5. Dimensional Change Rate: Test dimensional stability after washing or dry‑cleaning.

6. Color Fastness to Washing: Assess color retention performance during washing procedures.

7. Color Fastness to Rubbing: Inspect color loss caused by friction.

8. Color Fastness to Light: Measure color stability under light exposure.

9. Color Fastness to Perspiration: Evaluate color change caused by sweat contact.

10. Color Fastness to Water: Test color fastness under water‑immersion condition.

11. Formaldehyde Content: Determine residual free formaldehyde in textiles.

12. pH Value: Detect pH level of fabric aqueous extract.

13. Decomposable Carcinogenic Aromatic Amines Dyes: Screen banned azo‑dye substances.

14. Heavy Metal Content: Detect heavy‑metal elements including lead, cadmium and chromium.

15. Pile Retention Property: Assess wale stripe retention after friction.

16. Wale Neatness: Inspect edge neatness of corduroy wales.

17. Fabric Thickness: Measure thickness value of pile‑surface textile.

18. Fabric Weight: Determine mass per unit area of fabric.

19. Pile Density: Measure pile quantity per unit area.

20. Pile Height: Measure vertical distance from base fabric to pile top.

21. Anti‑static Performance: Evaluate static‑electricity elimination capability.

22. Air Permeability: Test air penetration capacity through fabric.

23. Water Vapor Permeability: Measure water‑vapor transmission performance.

24. Flame Retardant Performance: Assess textile combustion characteristics.

Applicable Standards

1. GB/T 2910, Textiles — Quantitative chemical analysis

2. GB/T 3923.1, Textiles — Tensile properties of fabrics — Part 1: Determination of breaking force

3. GB/T 3917.1, Textiles — Tearing properties of fabrics — Part 1: Determination of tear force

4. GB/T 4802.1, Textiles — Test for pilling resistance

5. GB/T 8628, Textiles — Determination of dimensional change of fabrics

6. GB/T 3921, Textiles — Test for colour fastness to washing

7. GB/T 3920, Textiles — Test for colour fastness to rubbing

8. GB/T 8427, Textiles — Test for colour fastness to artificial light

9. GB/T 3922, Textiles — Test for colour fastness to perspiration

10. GB/T 5713, Textiles — Test for colour fastness to water

11. GB/T 2912.1, Textiles — Determination of formaldehyde‑Part 1: Free and hydrolysed formaldehyde

12. GB/T 7573, Textiles — Determination of pH value of aqueous extract

13. GB/T 17592, Textiles — Determination of banned azo dyes

Test Instruments

1. Electronic Textile Strength Tester

2. Fabric Pilling Tester

3. Digital Fabric Thickness Gauge

4. Electronic Analytical Balance

5. Spectrophotometer

6. Rubbing Color Fastness Tester

7. Washing Color Fastness Tester

8. Light Fastness Tester

9. pH Meter

10. Gas Chromatograph

11. Atomic Absorption Spectrometer

12. Fabric Air Permeability Tester

13. Pile Retention Test Device

Notes

1. Test samples shall be cut along consistent wale direction; avoid skewed sampling to guarantee repeatable test data.

2. Pile‑related tests (pile height, pile retention, wale neatness) shall protect pile surface against extrusion and scratch before testing.

3. For stretch corduroy, physical performance tests shall adopt corresponding parameters for elastic fabrics.

4. Color‑fastness specimens shall keep pile face as test surface, follow standard temperature‑humidity conditioning requirements.

5. Chemical‑safety testing samples shall remove surface floating lint before pretreatment to prevent interference.

6. Different wale‑width corduroy shall select appropriate fixture according to fabric thickness during strength testing.

Summary

Corduroy fabric testing comprehensively evaluates textile quality via standardized test items and strict operating procedures. Data within test reports objectively reflects actual performance on composition, physical property and chemical safety, providing solid basis for quality control. Manufacturers may optimize weaving and finishing processes according to test results; purchasers can carry out incoming‑quality acceptance relying on official reports, jointly promoting overall quality improvement of corduroy products.