JIS Colour Fastness Rubbing Tester (Gakushin)
TheJapanese 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.
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
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
Technical Parameters
| Parameter | Specifications |
|---|---|
| Rubbing Force | 500±10g (programmable via weight system) |
| Rubbing Speed | 60±5 cycles/minute (adjustable) |
| Abrasion Head | Standard 10mm diameter felt pad (JIS-approved) |
| Measurement Tools | Digital colorimeter (ΔE accuracy ±0.5) |
| Test Duration | 1–10.000 cycles (auto-stop) |
| Power Supply | 100–240V/50/60Hz, 0.5kW |
| Dimensions | 600×400×800mm (L×W×H) |
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