Product name
Leather Rotary Friction Color Fastness Tester
Test piece
square 60 * 60MM
Motion trajectory
rotational friction
Number of rotations
0-9999999
Disc
diameter 50MM, thickness 12MM
Wool felt pad outer diameter
25+1MM
Wool felt pad inner diameter
3 ± 0.5MM
Load
24.5 ± 0.5N or 7.1 ± 0.2N
Volume
300 * 380 * 500MM (W * D * H)