Rubber Fab can provide documentation with a surface roughness tester
Contact-Type Surface Roughness/Profile Measuring Instruments | Instruments Used For Roughness Measurements | Introduction To Roughness | KEYENCE America
Surface roughness measuring instrument - Smartic M - QPT GmbH - portable / with integrated screen
Roughness measurement for metal plates | RATHGEBER
Contact-Type Surface Roughness/Profile Measuring Instruments | Instruments Used For Roughness Measurements | Introduction To Roughness | KEYENCE America