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Sia Abrasives  |  SKU: 9777.6618.0100.01

Sia Abrasives | 1550 Siapower 6" Sanding Disc - 81 Hole (50/BOX)

Regular price $3000
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Grit Level

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The 1550 Siapower 6" sanding disc delivers the highest stock-removal rate in its class for fast, efficient dry sanding. Its performance-enhancing grit mix runs from ceramic aluminum oxide (40–220) for aggressive cutting through to semi-friable blue-fired and white aluminum oxide at the fine grades, with minimal clogging during lacquer sanding (400–600). Built on a sustainable FSC-certified paper backing. 81-Hole dust-extraction configuration with a hook & loop backing, compatible with standard 6" hook & loop backing pads.

  • 100 Grit — Coarse ceramic grit for fast stock removal and leveling body filler.
  • 120 Grit — Medium grit for feather-edging and smoothing primer surfacers.
  • 150 Grit — Medium grit for feather-edging and smoothing primer surfacers.
  • 180 Grit — Medium-fine ceramic grit for refining surfaces and keying for adhesion.
  • 220 Grit — Medium-fine ceramic grit for refining surfaces and keying for adhesion.
  • 240 Grit — Fine blue-fired aluminum oxide for sanding between coats and scuffing clear coats.
  • 320 Grit — Fine blue-fired aluminum oxide for sanding between coats and scuffing clear coats.
  • 400 Grit — Very fine, anti-clog grit for final primer and clear-coat sanding before topcoat.
  • 500 Grit — Very fine, anti-clog grit for final primer and clear-coat sanding before topcoat.
  • 600 Grit — Very fine, anti-clog grit for final primer and clear-coat sanding before topcoat.

Applications

  • Rapid stripping of paint, rust, and thick coatings
  • Flatting of body filler and composite materials
  • Feather-edging and primer filler preparation
  • Sanding between coats and keying for adhesion
  • Final sanding of clear coats before buffing and polishing

Compatible Materials

  • Color, lacquer, old lacquer, primer filler, body filler
  • Primer coat, epoxy primer coat
  • Wood, metal, composites, plastics, acrylic glass

Product Profile

Configuration: 81-Hole dust-extraction  |  Attachment: Hook & Loop  |  Grit type: Ceramic (40–220) / Blue-fired aluminum oxide (240–600) / White aluminum oxide (800)  |  Backing: FSC-certified paper  |  Use: Dry sanding  |  Pack: 50/box  |  Brand: Sia Abrasives 1550 Siapower

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