The main purpose            

After rubbing the wallpaper samples with different friction head assemblies, observe their appearance damage. Mainly suitable for wallpaper.

Technical index

1. The size of the friction head: 50mm×29mm;

2. Quality of friction head:

Wipeability test: the total mass of friction head and soft polyurethane foam is (100±5)g;

Washability and special washability test: the total mass of the friction head and felt sheet is (550±10) g

Washable test: the total mass of the friction head and the brush is (600±10)g

3. Friction speed:

Wipeability test: (30±3) times/min;

Washability test: (120±10) times/min;

Special washability test: 120 times/min;

Washable test: (30±3) times/min.

4. Brushes that can be used for scrubbing: 

equipped with 56 clusters of nylon 66 bristles with a diameter of (0.350±0.025) mm and a length of (11±1) mm, each with 21±2 bristles;

5. Power supply: AC 220V 70W.

Applicable standards (for different standards, different accessories are required)

QB/T 3805-1999 PVC wallpaper

QB/T 4034-2010 Wallpaper Appendix D Test of the wipeability of adhesives, Appendix E Determination of washability