Sharp Edge Tester (ISO8124) Product overview：

1. Steel mandrel

    Surface roughness value Ra≤0.40μm in accordance with ISO 4287-2. Surface Rockwell hardness value HRC≥40 in accordance with ISO 6508-1.

    Mandrel diameter: 9.53±0.12mm

    Device for rotating the mandrel and applying a force to it, capable of rotating the mandrel at a constant tangential velocity of (23±4) mm/s during the central 75% of its 360° travel, starting and stopping of the mandrel being smooth. Portable or non-portable and of any suitable design, the device shall be capable of applying any force up to 6N to the mandrel, perpendicular to the mandrel axis.

2. Pressure-sensitive polytetrafluoroethylene (PTFE) tape

    Thickness between 0.066mm and 0.090mm, of width ≥ 6mm, with adhesive made of pressure-sensitive silicone polymer with a nominal thickness of 0.08mm.