Sia Abrasives | 7500 Sianet 3" Sanding Disc - Hook & Loop (50/BOX)

The 7500 Sianet 3" sanding disc features an advanced open-net structure that delivers up to 95% dust extraction across the entire disc face — not just through holes. Premium ceramic aluminum oxide grain provides the highest cut rate and longest lifetime while resisting clogging, pilling, and heat buildup for a clean, consistent scratch pattern. Open-net net construction with a Hook & Loop backing, compatible with standard 3" backing pads.

• 80 Grit — Coarse stock removal — leveling body filler and stripping old coatings.
• 120 Grit — Medium grit for feather-edging, smoothing primer, and removing coarse scratches.
• 150 Grit — Medium grit for feather-edging, smoothing primer, and removing coarse scratches.
• 180 Grit — Medium-fine refinement — leveling primer filler and keying surfaces for adhesion.
• 220 Grit — Medium-fine refinement — leveling primer filler and keying surfaces for adhesion.
• 240 Grit — Medium-fine refinement — leveling primer filler and keying surfaces for adhesion.
• 320 Grit — Fine sanding between coats and scuffing clear coats for topcoat adhesion.
• 400 Grit — Fine sanding between coats and scuffing clear coats for topcoat adhesion.

Applications

• Dust-free sanding off rust, old varnish, paints, and stains
• Keying surfaces for paint adhesion
• Sanding floorboards, terraces, and wooden beams
• Primer filler and E-coat preparation
• Automotive, woodworking, and industrial finishing

Compatible Materials

• Acrylic, NC, PU, polyester, UV, and water-based lacquers
• Primer filler, plaster, priming foil, drywall lining boards
• Hardwood, MDF, HDF, melamine sheet, solid-surface material

Product Profile

Grit type: Ceramic aluminum oxide  |  Backing: Knitted fabric net  |  Coating: Electrostatic  |  Feature: Dust-free sanding  |  Pack: 50/box  |  Brand: Sia Abrasives 7500 Sianet