JIS Colour Fastness Rubbing Tester (Gakushin)

 Product Overview

The Japanese Standard Color Fastness to Rub Tester (Gakushin) is a specialized instrument designed to evaluate the colorfastness of textiles to friction and abrasion, adhering to JIS L 0849 (Japanese Industrial Standard). It quantifies color transfer and staining resistance under controlled rubbing conditions, critical for ensuring compliance with Japanese textile quality requirements.

 Compliance Standards

JIS L 0849 (Colorfastness to rubbing)

ISO 105-X12 (International colorfastness test)

AATCC 8 (Durability of colorfastness)

GB/T 3920 (Chinese textile abrasion standard)

Key Features

JIS L 0849 Compliance:

Simulates real-world friction (e.g., garment rubbing)

Standardized felt pad and load system

Advanced Features:

Real-time color difference analysis (ΔE)

AI-based staining classification (5 severity levels)

Anti-slip clamping mechanism

Automation:

Programmable cycle counter

Motorized rubbing head

Self-cleaning abrasive pad holder

Application

Textile Manufacturing: Testing dyed fabrics for consumer goods

Quality Control: Batch inspection of apparel and home textiles

R&D: Developing fade-resistant dyes and finishes

Forensic Analysis: Evaluating wear-induced color degradation

Standard Operation Workflow:

Sample Preparation: Cut to size, clamp in test frame

Parameter Setup: Select cycle count and rubbing force

Testing: Initiate automated rubbing cycles

Analysis: Measure color transfer via spectrophotometer

Cleaning: Automated pad decontamination

Safety Precautions:

Avoid contact with moving parts during operation

Use heat-resistant gloves when handling samples

Maintain ventilation in testing area

* JIS-certified felt pads and calibration weights * NIST-traceable colorimeter * Energy-efficient low-power motor * Includes 5-year mechanical warranty * Compact design for lab/bench use​**Technical Highlights**​- ±0.5 ΔE color measurement accuracy (JIS-compliant) - 10.000-cycle fatigue testing mode - Real-time digital staining grading software - Motorized load adjustment (500g precision) - CE/IECEx certified for safe operation

Technical Specifications