Sia Abrasives 7940 siaair Velvet 150mm Foam Polishing Grip Discs (7940 Series) are the best choice for achieving the perfect finish.
Excellent for fine sanding of round edges, contours and concave or convex shapes. The foam backing prevents over sanding. Use dry, wet or with polishing compound. Features very long working lifetime and washable for use over and over again.
Siaair is comprised of three unique layers; (1) on the outside, an ingenious net-backed abrasive (2) in the middle, foam cushioning which equalizes the application pressure to prevent over-sanding, and (3) on the inside, the proven siafast hook and loop grip fastening system.
FEATURES AND BENEFITS:
Very long working lifetime
Low scratch depth for fine finishing
Equalizing application pressure prevents over sanding
Minimum clogging when sanding dry
Excellent for wet sanding or use with compounds and polish
Washable and can be used many times over and over
SUGGESTED APPLICATIONS:
Before painting - final sanding of filler, producing a matte finish, blending base and clear coat