Mirka MIR-108 8-Inch Vinyl Faced PSA Backup Pad Medium Density

The Mirka MIR-108 is an 8-inch vinyl faced backup pad engineered for use with PSA (pressure-sensitive adhesive) sticky-back sanding discs. Designed for professional body shop and surface preparation applications, this medium-density pad provides consistent, even support across the full disc surface for smooth, controlled material removal.

Key Features:

• Specially treated vinyl face — delivers superior adhesion to PSA-backed discs while allowing easy removal without paper delamination or tearing
• 8-inch diameter — solid, no-hole design for full-surface PSA disc coverage
• Medium density construction — provides balanced flexibility and support for a consistent scratch pattern
• 5/8 in x 11 female spindle — standard thread attachment compatible with common polishers and angle grinders
• Maximum operating speed: 4,800 RPM — rated for safe use with high-speed power tools

Compatible with Mirka 8-inch PSA abrasive discs and most 8-inch polishers and grinders. The MIR-108 backup pad is a reliable workhorse for automotive refinishing, paint preparation, and surface blending tasks.