SiaAir Sandpaper - Foam Grit Discs 7940

Sia Abrasives 7940 Siaair Velvet 6" Foam Polishing Grip Discs (7940 Series) are the best choice for achieving the perfect finish. Perfect for polishing MIDAS Metall®, liquid metal skin, and HV'Art Lacquer Paint (water-based lacquer). 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 a very long working lifetime and is 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.  Click here for SDS sheet and additional info on Siaair. FEATURES AND BENEFITS: Very long working lifetime Low scratch depth for fine finishing Equalizing application pressure prevents over sanding Minimum clogging when sanding dry Exce