How thick is Testex tape?
How thick is Testex tape?
1.5 to 4.5 mils
Features for Testex Tape The compressible film can vary in thickness between approximately 5 and 6 mils (127 and 152 microns) but this variation does not affect the accuracy of the measurement. The tape is rated to read profiles and 1.5 to 4.5 mils (40 to 115 microns).
What profile range can be measured using coarse Testex?
0.8 – 2.5 mils
Testex Press-O-Film Tape Coarse is designed to be used for a range of 0.8 – 2.5 mils.
What is Testex press-O-film?
Testex is the manufacturer of Press-O-Film replica tape. Press-O-Film provides inspectors and researchers a simple way to obtain an impression of a surface. Press-O-Film (POF) consists of a layer of crushable plastic microfoam coated onto a polyester film of highly uniform thickness.
How is a blast profile calculated?
A second method of measuring a blast profile is a digital gauge depth micrometer. This tool uses a probe that is pressed onto the surface profile and measures the height from the peak to depth of the blast profile.
How do I test my blast profile?
How is tape thickness measured?
thickness of adhesive tape : The vertical distance between the two surfaces of an adhesive tape. The adhesive tape is placed between the pressure foot and platform of a micrometer. Appropriate cleaning solvent.
What is surface profile gauge?
The Surface Profile Gauge measures the peak-to-valley height of a blast cleaned surface. The average of a series of measurements provides an indication of the surface roughness and allows the surfaces to be compared as blasting proceeds.
What is SA 2.5 surface finish?
Sa 2.5 is a cleanliness standard, not a surface roughness standard. An example of a surface roughness standard would be ISO 8503. One reason cleanliness is required is because paint will not adhere properly to a dirty surface.
How is profile measured?
Gauging / Measurement: Profile is usually measured using a CMM due to the complexity of some of the surfaces that are called out. The CMM would compare the 3D scan of the profile to the dimensions called out on the drawing to see if it was in spec.
What is DFT gauge?
Dry film thickness (DFT) is the thickness of a coating as measured above the substrate. This can consist of a single layer or multiple layers. DFT is measured for cured coatings (after the coating dries). The thickness of a coating depends on the application and type of process employed.