{"product_id":"sia-abrasives-1550-siapower-3-sanding-disc-0-holes","title":"Sia Abrasives | 1550 Siapower 3\" Sanding Disc - 0 Holes (50\/BOX)","description":"\u003cp\u003eThe 1550 Siapower 3\" sanding disc delivers the highest stock-removal rate in its class for fast, efficient dry sanding. Its performance-enhancing grit mix uses ceramic aluminum oxide (40–220 grit) for aggressive cutting power, transitioning to semi-friable blue-fired and white aluminum oxide at finer grades, with minimal clogging during lacquer sanding (400–600 grit). Built on a durable, sustainable FSC-certified paper backing. Solid 0-hole configuration with a Hook \u0026amp; Loop backing, compatible with standard 3\" backing pads.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e80 Grit\u003c\/strong\u003e — Coarse stock removal — leveling body filler and stripping old coatings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e180 Grit\u003c\/strong\u003e — Medium-fine refinement — leveling primer filler and keying surfaces for adhesion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e220 Grit\u003c\/strong\u003e — Medium-fine refinement — leveling primer filler and keying surfaces for adhesion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e240 Grit\u003c\/strong\u003e — Medium-fine refinement — leveling primer filler and keying surfaces for adhesion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e320 Grit\u003c\/strong\u003e — Fine sanding between coats and scuffing clear coats for topcoat adhesion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 Grit\u003c\/strong\u003e — Fine sanding between coats and scuffing clear coats for topcoat adhesion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500 Grit\u003c\/strong\u003e — Very fine final sanding of high-build primers and clear coats before topcoat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e600 Grit\u003c\/strong\u003e — Very fine final sanding of high-build primers and clear coats before topcoat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e800 Grit\u003c\/strong\u003e — Ultra-fine pre-polish refinement, removing orange peel and dust inclusions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRapid stripping of paint, rust, and thick varnishes\u003c\/li\u003e\n\u003cli\u003eFlatting of body filler and composite materials\u003c\/li\u003e\n\u003cli\u003eFeather-edging and primer filler preparation\u003c\/li\u003e\n\u003cli\u003eFine lacquer sanding and keying for adhesion\u003c\/li\u003e\n\u003cli\u003eAutomotive refinishing, aerospace, and joinery\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Materials\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eColor, lacquer, old lacquer, primer filler, body filler\u003c\/li\u003e\n\u003cli\u003ePrimer coat, epoxy primer coat\u003c\/li\u003e\n\u003cli\u003eWood, metal, composites, plastics\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Profile\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGrit type:\u003c\/strong\u003e Mixed ceramic (40–220) \/ Semi-friable blue-fired aluminum oxide (240–600) \/ White aluminum oxide (800)  |  \u003cstrong\u003eBacking:\u003c\/strong\u003e FSC-certified paper  |  \u003cstrong\u003eCoating:\u003c\/strong\u003e Electrostatic  |  \u003cstrong\u003eUse:\u003c\/strong\u003e Dry sanding  |  \u003cstrong\u003ePack:\u003c\/strong\u003e 50\/box  |  \u003cstrong\u003eBrand:\u003c\/strong\u003e Sia Abrasives 1550 Siapower\u003c\/p\u003e","brand":"Sia Abrasives","offers":[{"title":"80 Grit 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