{"product_id":"indasa-double-sided-sponge-hand-sanding-pads-3100b-series","title":"Indasa Double-Sided Sponge Hand Sanding Pads – Dual-Grit Foam Block for Curved Surfaces, P60–P240 (3100B Series)","description":"\u003cdiv class=\"uf-brand-logo\" data-brand=\"Indasa\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0576\/0375\/1979\/files\/logo-small.svg?v=1785715580\" alt=\"Indasa logo\" style=\"max-height:64px;width:auto;margin-bottom:12px;\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Indasa RhynoSoft 3100B is a double-sided foam sanding block engineered for hand sanding on curved, contoured, and hard-to-reach surfaces. Each pad features two abrasive faces with silicon carbide grain on a 13 mm high-density sponge core, allowing the user to work two grits from a single block. Sold in boxes of 10, the 3100B is the go-to choice for detail finishing in automotive, wood, and composite applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-sided abrasive\u003c\/strong\u003e – two grit faces per pad; work coarser and finer grits without swapping blocks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13 mm high-density sponge core\u003c\/strong\u003e – conforms to curves, radii, and mouldings without bridging or oversanding high spots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicon carbide grain\u003c\/strong\u003e – sharp, fast-cutting abrasive suited for wet or dry use on paint, primer, and wood coatings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTear-resistant foam construction\u003c\/strong\u003e – long service life even with repeated flexing and wet use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents oversanding\u003c\/strong\u003e – foam compliance distributes pressure evenly, reducing the risk of cutting through edges and corners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBox of 10 pads\u003c\/strong\u003e – production-ready quantity for body shops and finishing operations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e 3100B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad size:\u003c\/strong\u003e 4.75\" × 3.75\" × 0.5\" (120 mm × 95 mm × 13 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking:\u003c\/strong\u003e High-density foam (sponge), 13 mm thick\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasive grain:\u003c\/strong\u003e Silicon carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSides:\u003c\/strong\u003e Double-sided (abrasive on both faces)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrit range:\u003c\/strong\u003e P60, P100, P120, P150, P180, P220\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Wet or dry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQty per box:\u003c\/strong\u003e 10 pads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Indasa | \u003cstrong\u003eCountry of origin:\u003c\/strong\u003e Portugal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication Suggestions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive refinishing:\u003c\/strong\u003e Sanding primer and filler on door jambs, wheel arches, and curved body panels; featheredging and spot repair finishing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood \u0026amp; furniture:\u003c\/strong\u003e Profile sanding on mouldings, chair legs, cabinet door edges, and routed details\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposite \u0026amp; marine:\u003c\/strong\u003e Fairing and gel-coat sanding on hull curves and tight radii\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWalls \u0026amp; drywall:\u003c\/strong\u003e Corner bead finishing and skim coat sanding where flat blocks leave marks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompared to Alternatives\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Indasa RhynoSoft 3700R roll:\u003c\/strong\u003e 3100B is a pre-cut double-sided block sold per box of 10 — ideal for detail and spot work; 3700R is a continuous roll for high-volume production sanding. Choose 3100B for precision, 3700R for throughput\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Single-sided sanding sponges:\u003c\/strong\u003e 3100B's dual-grit design doubles usable abrasive surface per pad, reducing pad changes and cost-per-use in multi-grit workflows\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Flat sanding sheets on a block:\u003c\/strong\u003e The 3100B's integrated foam eliminates the need for a separate sanding block on curved work — the sponge core acts as its own conformable backer\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Indasa","offers":[{"title":"P60","offer_id":40183995433003,"sku":"3100B-60","price":14.95,"currency_code":"USD","in_stock":true},{"title":"P100","offer_id":40183995269163,"sku":"509898","price":13.75,"currency_code":"USD","in_stock":true},{"title":"P120","offer_id":40183995301931,"sku":"509904","price":13.75,"currency_code":"USD","in_stock":true},{"title":"P150","offer_id":40183995334699,"sku":"509913","price":13.75,"currency_code":"USD","in_stock":true},{"title":"P180","offer_id":40183995367467,"sku":"509928","price":13.75,"currency_code":"USD","in_stock":true},{"title":"P220","offer_id":40183995400235,"sku":"509937","price":13.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/0375\/1979\/products\/Indasa-Double-Sided-Sponge-Hand-Sanding-Pads-3100B-Series-3.jpg?v=1687227782","url":"https:\/\/www.unitedfinish.com\/es\/products\/indasa-double-sided-sponge-hand-sanding-pads-3100b-series","provider":"UnitedFinish","version":"1.0","type":"link"}