Testex Press-O-Film Tape consists of foam with a non-compressible backing. The foam side is rubbed into the surface providing a permanent mold of the profile. The Elcometer 124 Thickness Gauge is then used to measure the peak-to-valley height.
Benefits and features of the Elcometer 124 Thickness Gauge:
Testex Press-O-Film Tape is available in two ranges :
1)Coarse - Testex Press-O-Film Tape Coarse is designed to be used for a range of 0.8 - 2.5 mils.
2)X-Coarse - Testex Press-O-Film Tape Extra-Coarse is designed to be used for a range of 1.5 - 4.5 mils.
Press-O-Film (POF) consists of a layer of crushable plastic microfoam coated onto a polyester film of highly uniform thickness and compressed against a roughened material, Press-O-Film accurately replicates details of its surface roughness.