Mirka MIR-105 5-Inch Vinyl Faced PSA Backup Pad Medium Density

The Mirka 105 is a 5-inch vinyl faced backup pad designed for use with PSA (pressure sensitive adhesive) sticky-back sanding discs. Built from top-quality molded polymer construction, this medium-density pad delivers consistent performance across a wide range of sanding and finishing applications including automotive bodywork, woodworking, and surface preparation.

Key Features:

• 5-inch (125 mm) diameter — compatible with standard 5" PSA sanding discs
• 5/16" x 24 male thread attachment — fits most random orbital sanders
• Medium density polyurethane foam — firm enough to level substrates while conforming to minor surface contours
• Specially treated vinyl face — provides excellent PSA adhesion and clean disc removal without paper delamination or tearing
• Precision molded with riveted center — balanced to minimize vibration and deliver superior finishing results
• Max operating speed: 13,000 RPM
• Weight: 130 grams (approx. 0.29 lbs)
• Convertible to hook-and-loop (grip-faced) use with the Mirka 1105 PSA-to-grip conversion pad

Sold individually. Ideal for professional finishing operations where reliable disc adhesion and pad longevity are critical.