LFY-319 Wallpaper Color Fastness Tester to Rubbing
After the wallpaper sample is rubbed with dry and wet rubbing cloth, the staining condition of the rubbing cloth is evaluated with a gray rating scale.
The main purpose
After the wallpaper sample is rubbed with dry and wet rubbing cloth, the staining condition of the rubbing cloth is evaluated with a gray rating scale.
Instrument characteristics
1. Reciprocating linear friction;
2. Dry and wet rubbing fastness can be made, and the rubbing times can be preset in 5 digits.
Technical index
1. Friction head size: round end Ф16mm;
2. Downward pressure of friction head: 2N
3. One-way stroke of reciprocating motion: 100 mm;
4. Friction speed: 30 times/min;
5. Power supply: AC 220V 70W.
Applicable standards
QB/T 3805-1999 PVC wallpaper
QB/T 4034-2010 wallpaper
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