TQC Sheen Machu Scratching Tool to perform a Machu test (corrosion test) with. It is also used for creating Andreas Cross on sample plates for Salt Spray Corrosion Tests. Each tool is provided with a 1mm width cutter to cut the coating down to the metal, complying with ISO 17872.
Two models are available:
The TQC Sheen Machu Scratching Tool Basic is based on the CC2000 model. with a self positioning knife bracket to expose the substrate with a perpendicular cut through the coating.
The TQC Sheen Machu Scratching Tool Professional is based on the CC3000 model with adjustable cutting depth and two ball bearings to guide the cut. This guarantees reproducible results.