And roughness on the surface of the pipe (the Roughness Profile) to 75-125 micron, or according to the manufacturer recommended colors. Verified by Certified Inspector and recording deals with mung photo.
And pipe surface roughness (Profile Roughness) to 75-125 micron, or according to the paint manufacturers recommendations and records audited by Certified Inspector with the given materials.
On the tube surface roughness and (Profile Roughness) to 75-125 micron or as recommended by Certified paint manufacturer, check and Inspector recorded data with pictures.