LFY-267 Wallpaper Washability Tester
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