Scope of Application

【Operating Instructions】

Used for testing the color fastness of various textiles to perspiration, water, saliva, seawater, and phenolic yellowing.

**YG631 Perspiration (Saliva) Color Fastness Tester**

**【Scope of Application】**  

Used for testing the color fastness of various textiles to perspiration, water, saliva, seawater, and phenolic yellowing.

**【Technical Parameters】**  

1. **Weight mass:**  

   - National standard / ISO: 50 N  

   - AATCC (US standard): 45 N (optional)  

2. **Specimen plates:** 115 × 60 × 1.5 mm  

3. **Specimen pressure:** 12.5 kPa  

4. **External dimensions:** 450 × 350 × 130 mm  

5. **Net weight:** 13 kg