Testex Extra-Coarse Tape (TESTEX TAPE / PRESS--FILM)

TESTEX TAPE / PRESS--FILM|X-COARSE|Press-O-Film X-Coarse Grade (1.5-4.5 mils / 38-115 microns) Replica Tape is used with a gauge to measure the surface roughness ("profile") of blast-cleaned steel. It offers a unique replica technique and with a simple snap gauge will allow you to take accurate, low-cost blast-surface profile measurements. The film is available in three different thickness grades to cover the most common range of blast profiles. Measurements can be taken in locations that are not possible using conventional stylus devices, e.g. internal pipe diameters and grooves, etc. Easy to use, remove the protective paper from the tape and place firmly on the blasted surface. Apply moderate pressure with the Burnishing Tool over the circular cut-out in the tape. Remove the tape. The replica is now ready for measurement using the Snap Gauge.