HY-8005B Electrical Color Fastness Tester (Economic)

According to the Standard:

GB/T3920，ISO 105-X12，ASTM-D2054，AATCC-8JIS-LO849，0862

This machine is used to test the color fastness of dyeing textile  fabric or leather material. 
The theory is: cover the friction hammer with dry or wet white cotton cloth. Check the dyeing color fastness after rubbing the test sample on the worktable with a certain heavy load and times.