Hung Ta Hungta HT-8361A Crock meter

The appartus is used to carry out rubbing test and color
fastness. The rubbing finger which is wrapped with a
white cotton, being moved to and fro at a constant
speed, and keeping closely contact with the lower bed.
The judgement is made by observing the dirtiness of the white cotton.

Mã: 1168-21590 Danh mục: