Clean the round metal surface thoroughly with brake cleaner or another suitable cleaning solvent.You can clean excess sticky residue with 3M Adhesive Remover , Part # 49048 also.

When fitting the 36 grit abrasive pad on the doffer grinding machine a very clean surface is needed .

All 3 sizes of doffer grinding pads have PSA material on the back . This " Pressure Sensitive Adhesive " can be made extra sticky by using 3M Spray 74 Adhesive or 3M Super Trim Adhesive to help stick them down better .

This 3M doffer grinding pad is 36 grit material with PSA Adhesive backing. This pad HAS NO SLIT. Make a slit by cutting the pad to fit the pad on the Doffer grinding machine.