Klingspor PS 33 BK Self-Fastening Strips – For Paint, Varnish, Filler & Wood

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Klingspor PS 33 BK Strips – Paper Backing, Self-Fastening for Paint, Varnish, Filler & Wood


The Klingspor PS 33 BK self-fastening strips are a flexible, high-quality abrasive solution for preparing and finishing paint, varnish, filler, and wood surfaces. Designed for use with compatible orbital and delta sanders, these strips deliver smooth, consistent results across flat panels and contoured surfaces.


Constructed with a lightweight B-weight paper backing, they provide excellent flexibility while resisting tearing under load. The aluminium oxide abrasive grain ensures sharp, even cutting, and the open coat structure helps reduce clogging—especially important when sanding softwoods or coated materials. The hook & loop (self-fastening) backing allows for quick, secure changes to keep workflow efficient.


Key Features:

  • Self-fastening hook & loop backing – quick and secure strip changes

  • B-weight paper backing – lightweight and flexible for precision work

  • Aluminium oxide abrasive grain – sharp, durable, and consistent cutting action

  • Open coat structure – minimises clogging on softer surfaces and coatings

  • Ideal for wood and coated surface sanding


📏 Typical Specifications (may vary by strip):

  • Abrasive grain: Aluminium oxide

  • Backing: Flexible B-weight paper with hook & loop attachment

  • Bonding: Resin over resin

  • Coating: Open coat

  • Dimensions: Commonly 93 × 230 mm, 93 × 185 mm, or similar

  • Grit range: Fine to medium grades available


📦 Common Applications:

  • Keying painted or varnished surfaces before recoating

  • Smoothing filler before painting or varnishing

  • Preparing bare wood for staining or sealing

  • Furniture refinishing and joinery finishing

  • Light between-coat sanding for smooth finishes


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