3M was the originator of 3M Wetordry. Main use of this waterproof sheet is for hand sanding where the water stops loading of the abrasive extending its life. Main area in automotive use is for primer sanding with the fine finish being overpainted without scratched being seen.
3M was the originator of 3M Wetordry. Main use of this waterproof sheet is for hand sanding where the water stops loading of the abrasive extending its life. Main area in automotive use is for primer sanding with the fine finish being overpainted without scratched being seen.