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The TQC Film thickness gauge is a high precision film and foil thickness gauge, especially developed for measuring so-called “replica tapes” as Testex®, used mainly to measure the surface profile.
The Pretreatment Test Kit is especially composed to control all relevant parameters during the pretreatment of steel prior to painting. The PTK is available as BASIC KIT and FULL KIT.
See Datasheet for Basic and Full kit comparisons
Comparison standard according to ISO 8503 part 1 made of quality steel. Indicates the surface condition of blasted steel according to ISO 8503 in grades of fine, medium, and coarse.
Can be used in accordance with ASTM D4417 Method A, ISO 8503-1, ISO 8503-2
Replica tape for measuring blasted surface profiles. By placing the Tqc replica tape on the surface and rubbing over it, the Rt (total roughness) or peak-to-valley height of the profile can be taken and then measured with a film thickness meter.
1. TQC Replica tape consists of a layer of compressible foam affixed to an incompressible polyester substrate.
2.When pressed against a roughened/gritblasted (steel) surface, the foam collapses acquiring an impression of the surface.
3.Placing the compressed tape between the anvils of the SP1570 micrometric thickness gage, and subtracting the contribution of the incompressible substrate (50 micrometers or 0.002 inches), gives a measure of the surface profile.
One box of Testex contains tape for 50 measurements.
Great Lakes Gages, LLC
3689 Hadley Rd.
Metamora, MI 48455
