liquid resistance(wiping) to absorb test liquid into cloth and then wipe twice or three times on the test piece surface in room temperature thenn,leave it in room temperature for 30 minutes after that,wipe it off with washing or cloth
liquid resistance(wiping)to absorb test liquid into cloth and then wipe twice or three times on the test piece surface in room temperature thenn,leave it in room temperature for 30 minutes after that,wipe it off with washing or cloth