7940 Siaair 6″ Foam Sanding Disc – 1500 Grit Leveling & Finishing
The 7940 Siaair 6″ Sanding Disc (1500 Grit) is the essential starting point for professional paint correction and fine surface finishing. Positioned as a versatile medium-fine abrasive, this 1500 grit disc is perfectly suited for leveling significant surface structures, such as orange peel, dust inclusions, and paint runs on fresh clear coats. It provides a controlled cut that flattens the surface efficiently while leaving a manageable scratch pattern that can be easily refined with finer grits (like 2000 or 3000) or compounded out, ensuring a pristine foundation for a high-gloss result.
Superior Contour Control with Foam Backing
Unlike rigid paper abrasives, the 7940 Siaair features a specialized foam-backed design that revolutionizes the sanding experience. This cushioning absorbs hand pressure and distributes it evenly across the 6-inch surface, allowing the disc to adapt seamlessly to body lines, curves, and edges. This is critical when removing defects, as it significantly reduces the risk of “sand-through” on corners. Ideally suited for wet sanding, the foam layer retains water to keep the abrasive cool and lubricated, preventing the buildup of heat that can mar sensitive lacquers and composites.
Consistent Performance and Extended Lifespan
Designed for high-volume industrial and automotive environments, this disc utilizes high-grade aluminum oxide grains bonded with a durable resin-over-resin formula. This advanced construction creates an open structure that minimizes clogging, even when working on softer substrates or fresh paints. The result is a disc that cuts consistently for longer periods, reducing downtime spent changing abrasives. Whether you are blending repairs or preparing a full panel for polishing, the 7940 Siaair delivers a uniform finish that saves time and reduces material costs.
Application:
- Matt finishing of conventional old and new varnishes as well as composite materials
- Fine sanding of primer filler in hard-to-reach areas
- Preparation for polishing on high-gloss surfaces
Use for:
- Color
- Lacquer
- Old lacquer
- Gelcoat polyester
- Plastics
- Acrylic glass
- Composite
Profile
Grit type:
Aluminum oxide
Backing:
Knitted fabric with foam backing
Coating:
Special process
Bonding:
Resin over resin