Sia siaair - for a perfect Swiss finish 80mm.

siaair 7940 is an advanced foam-backed abrasive pad system engineered to meet the highest quality requirements in automotive refinishing and surface preparation. Combining a revolutionary abrasive net structure with a flexible foam cushioning layer and the proven siafast hook-and-loop fastening system, siaair 7940 conforms seamlessly to complex contours while eliminating the risk of edge burn-through.

Key Features & Benefits:

• Extraordinary Service Life: Designed for long-lasting performance and multiple re-uses; fully washable and easy to clean.
• Uniform Surface Pressure: The internal foam core distributes sanding pressure evenly for a consistent, scratch-free finish.
• Wet & Dry Compatibility: Outstanding wet sanding capabilities with minimum clogging when used for dry applications.
• Chemical & Water Resistance: Absorbs water effectively and remains resistant to automotive degreasers and solvents.
• Edge Protection: Highly flexible pad structure prevents sanding through body panel edges and sharp style lines.
• siafast Attachment System: Quick, secure mounting on dual-action sanders and manual hand blocks.

Applications:

• Matting and scuffing clearcoats prior to paint or clear application.
• Feather-edging and fine sanding of blend zones (spot repair).
• Final finishing stage prior to compounding and polishing on clearcoats and composites.

Technical Specifications:

• Manufacturer: sia Abrasives
• Series: siaair 7940
• Product Type: Foam-Backed Net Abrasive (Finishing Pad)
• Attachment: siafast (Hook & Loop / Velcro)
• Usage: Suitable for wet and dry sanding