SIAAIR Discs

Water Absorbency and Minimal Clogging Properties

SIA 7940 SIA air velvet foam discs provide exceptional water absorbency as well as minimal clogging when sanding dry. It makes them the ideal abrasive for wet or dry applications, and they have superior air and water permeability. The foam-backed finishing discs offer low scratch depth for sleek finishes and long product life. Because SIA air discs are waterproof and washable, it helps keep your sanding equipment costs to a minimum.

You can use the air velvet discs for auto refinishing, aircraft refurbishment and even for bowling ball manufacturing. Other applications also exist, like during the pre-painting process. You can use SIA air abrasives as the final sanding stage of the filler to produce a matte finish, clear coat and blending base. After-painting tasks might include the removal of dust particles, paint runs and the orange peel effect by using the SIA 6 inch sanding pad.

If you are varnishing various areas, it can fix errors on high-gloss surfaces, and for curved surfaces you can use the air velvet pad for buffing out different shapes and edges. Are you working with solid surfaces? The abrasives can polish solid and mineral areas. Additional specifications of the discs include a net-outer layer, an aluminum oxide abrasive and open-foam structure.

What National Abrasives, Inc. Offers

National Abrasives, Inc. offers an assortment of 6-inch SIA air discs for sale in grits ranging from 240 to 4,000G. It’s vital to determine which 7940 SIA air disc is appropriate for your application. Lower grit numbers indicate a rougher finish by removing more material. However, if you are searching for a smooth finish, invest in a higher grit size.

While grits vary your results, all the SIA air velvet foam-backed sanding pads have high grits, such as 2000 grit sanding discs, that will result in smoother surfaces compared to other versions. The pads offer consistent finishes throughout their lifespan and are ideal for fine sanding of paint, lacquers and primer filler. They adapt to contours and curves without risking sand-throughs.

Shop Online at National Abrasives, Inc.

As an authorized distributor of other manufacturer products, National Abrasives, Inc. gives you the freedom to shop online 24/7 for simple convenience. Search for SIA air discs on our easy-to-navigate and secure online store. We offer competitive pricing on our tools, discs, pads, belts, sanders and other products. Every time you place an order, you will receive free shipping, helping you save even more money.

National Abrasives, Inc. is a family owned and operated business that prioritizes customer satisfaction, so you can always count on us for friendly and helpful service whenever you need it. We are your one-stop headquarters for SIA air discs and all your abrasive product needs! No matter the industry in which you work, our experts are here to help you determine the right solution and deliver free samples upon request. National Abrasives has a stock of unusual items to suit your needs, too.

Buy the SIA air velvet foam-backed discs you need today or reach out to us online if you have further questions or need support.