Sia 7940 Siaair Velcro Padded Sanding Disc - Waterproof Foam-Backed Abrasive

Sia 7940 Siaair Velcro Padded Sanding Disc - Premium Waterproof Foam-Backed Abrasive

The Sia 7940 siaair waterproof sanding disc delivers exceptional performance for achieving perfect finishes on varnishes, mineral materials, and delicate surfaces. Featuring advanced foam-backed technology, these premium discs are engineered for both wet and dry sanding applications, providing superior results in scuffing, fine sanding, and pre-polish preparation.

Features & Benefits

• Waterproof and washable for extended use and cost efficiency
• Extremely long lifetime reduces disc changes and downtime
• Low scratch depth ensures superior surface quality
• Low clogging technology maintains consistent cutting performance
• Reusable multiple times for maximum value
• Water-absorbent design optimizes wet sanding applications
• Permeable to air and water for efficient dust and slurry removal
• Pressure-equalising foam backing conforms to contours for perfect surface finish
• Velcro backing for quick and secure attachment to sanders

Applications

Ideal for professional finishing work across multiple industries:

• Fine sanding of varnishes and clear coats
• Preparation for polishing on automotive and marine surfaces
• Scuffing and surface preparation on mineral materials
• Wet sanding applications requiring superior finish quality
• Furniture finishing and woodworking projects
• Composite and fibreglass surface preparation
• Metal fabrication and finishing work

Technical Specifications

• Product: Sia 7940 siaair waterproof disc
• Backing: Foam-padded with pressure-equalising technology
• Attachment: Velcro (hook and loop)
• Suitable for: Wet and dry sanding applications
• Compatibility: Dual action sanders, random orbit sanders, and hand sanding blocks