... memory, 3. Executing international standard exactly, 4. Built-in standard rub panel, 5. Mute-sounds design, even friction, 6. Control ... effectively via testing, ensure the perfect quality. Technical parameter of Rub Tester: 1. Rubbing pressure: 20+0.2N, 2. Rubbing ... -machine friendly design, easy operation, 3. Reasonable price Keywords of Rub Tester: 1. Standard: ASTM D5264, TAPPI, JIS K5701 2. ...