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