Klingspor SW 501 TR Abrasive Block – For Paint, Varnish, Filler & Wood

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Klingspor SW 501 TR Abrasive Block – Abrasive Sponge for Paint, Varnish, Filler & Wood


The Klingspor SW 501 TR abrasive block is a versatile sanding sponge designed for efficient hand sanding on paint, varnish, filler, and wood. Built with a foam core and four working abrasive sides, it offers extended usability and excellent adaptability for sanding flat, contoured, and profiled surfaces.


The block features aluminium oxide abrasive grain, ensuring sharp and consistent cutting performance across multiple applications. Its ergonomic design allows comfortable handling, while the sponge structure distributes pressure evenly—reducing the risk of gouging and helping to achieve a smooth finish. Suitable for wet or dry sanding, the SW 501 TR is a reliable choice for professionals and DIY users alike.


Key Features:

  • Four-sided abrasive block – extended life and multipurpose use

  • Aluminium oxide abrasive grain – sharp, durable, and consistent results

  • Foam core construction – adapts to contours and distributes pressure evenly

  • Ergonomic block format – comfortable to hold and easy to control

  • Suitable for wet or dry sanding – versatile performance

  • For paint, varnish, filler, and wood applications


📏 Typical Specifications (may vary by block):

  • Abrasive grain: Aluminium oxide

  • Format: Foam-backed abrasive sponge with four working sides

  • Dimensions: Approx. 98 × 68 × 27 mm

  • Bonding: Resin over resin

  • Coating: Close or open coat depending on grit

  • Grit range: Fine to medium grades available


📦 Common Applications:

  • Sanding paint, varnish, and filler before finishing

  • Keying surfaces between coats

  • Preparing wood surfaces prior to painting or staining

  • Furniture restoration and detail sanding

  • DIY, woodworking, and touch-up projects


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