Vertical pressure of friction head: | 9N | ||||||
Linear reciprocating motion stroke: | 100MM | ||||||
Friction speed: | 60 times per minute | ||||||
Friction head size: | Rectangular 19mmx25mm (velvet fabrics including textile carpets) Circular diameter 16mm (other textiles) | ||||||
Friction cotton cloth (conforming to GB7565 with desizing, bleaching, does not contain any finishing agent cotton fabric > Size: | A 50mm *50mm square is used for the round friction head, or a25mm*100mm rectangle is cut for the rectangular friction head | ||||||
Sample size: | 50mm*200mm two groups of 4 pieces | ||||||
Optional: | Grey sample card, tertiary water |