4-station Leather Rubbing Color Fastness Tester

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.

Working Principle

The tester operates viacontrolled mechanical abrasion:

Sample Mounting: Leather or fabric specimens are clamped into 4 individual stations.

Friction Head Application: A weighted abrading cloth (9 N load) moves back and forth across the sample surface.

Cycle Execution: The machine completes 50–100 cycles (customizable) to simulate wear.

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.

Main Parameters

Parameter	Specification
Number of Stations	4 (simultaneous testing of 4 samples)
Friction Head Load	9 N (standard; adjustable 5–15 N for custom tests)
Stroke Length	100 mm (adjustable)
Friction Speed	60 ± 2 cycles/min (1 cycle = 1 double stroke)
Sample Dimensions	140 × 50 mm (standard leather/textile swatches)
Abrading Fabric	Standardized cotton cloth (e.g., Crockmeter cloth per ISO 105-F10)
Power Supply	220V/50Hz, 60W
Dimensions	500 × 350 × 300 mm (L × W × H)

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