This is a tester to evaluate the resistance to the formation of pilling and other related surface changes on textile fabrics cause by a random rubbing action produced by tumbling specimens.

• Number of cylinders: 2pieces
• Size of cylinder: 146mm(inside diameter)×152mm(length).
• Length of impeller: 121mm
• Construction of impeller: Two types(Type A and B).
• Rotating speed of impeller: 1200±10rpm.
• Chloroprene sheet: 3mm (thickness) × 452 mm (length) 、47±3°(in hardness)
• Cork sheet 1.5mm (thickness) × 148 mm(width) × 452 (length) 0.25±0.03ｇ/㎝3 (density) 、10 to 20 mesh(grain size)
• Testing timer: Digital display set-timer.
• Approx. dimensions: W480×D350×H500mm.
• Approx. weight: Approx. 70kg

• JIS L 1076 ；JASO M 403.
• ASTM D3512.
• DIN 53867.