Klingspor PS 73 CWK Self-Fastening Discs – For Paint, Varnish & Filler

Klingspor PS 73 CWK Self-Fastening Discs – For Paint, Varnish & Filler

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Klingspor PS 73 CWK Discs – Paper Backing, Self-Fastening for Paint, Varnish & Filler


The Klingspor PS 73 CWK self-fastening discs are designed for professional-quality finishing and intermediate sanding of paint, varnish, and filler surfaces. Ideal for use with hook & loop orbital and random orbital sanders, these discs deliver a consistent, smooth finish while offering excellent durability.


Built with a sturdy C-weight paper backing, they provide greater tear resistance and stability than lighter papers while still allowing enough flexibility for curved or profiled surfaces. The high-grade aluminium oxide abrasive grain ensures a sharp, uniform cut, while the stearate coating helps reduce clogging—especially useful on coated or resin-rich substrates.

✅ Key Features:

  • Hook & loop self-fastening backing – quick, secure disc changes

  • C-weight paper backing – durable and stable for professional use

  • Aluminium oxide abrasive grain – long-lasting and consistent cutting

  • Stearate coating – minimises clogging for extended disc life

  • Optimised for paint, varnish, and filler sanding

📏 Typical Specifications (may vary by disc):

  • Abrasive grain: Aluminium oxide

  • Backing: C-weight paper with hook & loop attachment

  • Bonding: Resin over resin

  • Coating: Open coat with stearate layer

  • Common diameters: 125 mm, 150 mm

  • Grit range: Fine to medium grades available

📦 Common Applications:

  • Fine and intermediate sanding of painted or varnished surfaces

  • Keying filler before final finishing

  • Smoothing surfaces between coats of paint or varnish

  • Furniture restoration and decorative wood finishing

  • Automotive refinishing and detailing tasks


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