4-station Leather Rubbing Color Fastness Tester

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Applicable Standards

The tester adheres to global colorfastness and material testing protocols, including:

• ISO 11640(Leather – Color fastness to rubbing)
• SATRA TM170(Standard method for color fastness to rubbing)
• AATCC 8(Colorfastness to Crocking: AATCC Crockmeter Method)
• ISO 105-X12(Textiles – Color fastness to rubbing)
• GB/T 3920(China’s national standard for color fastness to rubbing)

These standards ensure consistent evaluation of color transfer, dye adhesion, and surface durability.

Main Parameters

Working Principle

The tester operates viacontrolled mechanical abrasion:

1. Sample Mounting: Leather or fabric specimens are clamped into 4 individual stations.
2. Friction Head Application: A weighted abrading cloth (9 N load) moves back and forth across the sample surface.
3. Cycle Execution: The machine completes 50–100 cycles (customizable) to simulate wear.
4. Color Assessment: Post-test, the abrading cloth is evaluated for dye transfer using agray scale (AATCC EP1, ISO 105-A03)or spectrophotometer.

Test Principle & Applications

• Color Fastness Evaluation (ISO 11640/AATCC 8):
  • The abrading cloth is rated on a 1–5 gray scale (1 = severe staining, 5 = no transfer).
  • Pass/fail criteria depend on industry standards (e.g., ≥4 for automotive upholstery).
• Key Industries:
  • Leather Goods: Validating color retention in handbags, shoes, and furniture.
  • Automotive: Testing seat covers, steering wheels, and interior trims.
  • Apparel: Assessing dye stability in jackets, gloves, and accessories.

The 4-Station Leather Friction Color Fastness Tester streamlines quality control, enabling manufacturers to optimize formulations, reduce rejections, and meet regulatory compliance efficiently. Its multi-sample capability and adherence to global standards make it a cornerstone of material testing laboratories.

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