{"product_id":"mirka-wpf-pro-9-in-x-11-in-p800-waterproof-sandpaper-sheets-50-pack-21-101-p800","title":"Mirka WPF Pro 9-in. x 11-in. P800 Waterproof Sandpaper Sheets, 50-Pack (21-101-P800)","description":"\u003csection data-aplus\u003e\n  \u003cdetails id=\"product-features\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"features\"\u003e\n        \u003cdiv class=\"card\"\u003e\n          \u003cdiv class=\"card-inside\"\u003e\n            \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/grit-range.svg\" alt=\"grit-range\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eFine P800 Finish\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThe P800 grit is built for finish-stage sanding where surface quality matters. It helps refine primer, topcoat, lacquer, and paint without leaving a rough scratch pattern behind.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"card\"\u003e\n          \u003cdiv class=\"card-inside\"\u003e\n            \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/material.svg\" alt=\"material\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eWaterproof Sheet Design\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThis waterproof abrasive is made for manual wet sanding, so it keeps working in applications where standard sheets can soften or load up too quickly. That means smoother movement and more consistent results through the job.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"card\"\u003e\n          \u003cdiv class=\"card-inside\"\u003e\n            \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/size.svg\" alt=\"size\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eBox of 50 Sheets\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eA 50-sheet box makes sense for body shop work, paint prep, and repeat finish sanding. You get enough material on hand for production use without constantly reordering single packs.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-overview\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\" data-product-summary\u003e\n      \u003cp\u003eThe Mirka 21-101-P800 WPF Pro sandpaper sheets are waterproof abrasive sheets sized at 9 x 11 inches and packed 50 sheets per box. This is a sandpaper sheet designed for manual wet sanding and finish-stage surface preparation. Model Number: 21-101-P800. If you are sanding paint, primer, lacquer, metal, wood, putty, or composite materials and need a fine, polish-friendly finish, this sheet is built for that part of the process.\u003c\/p\u003e\n      \u003cp\u003eWhat matters here is not just the P800 grit, but how Mirka built the sheet around that grit. WPF Pro is described as a high-quality waterproof abrasive with a lasting aggressive cut, which means it is meant to keep removing material consistently instead of fading early. At this grit level, that translates into controlled refinement of the surface rather than heavy stock removal, making it a solid fit for primer sanding, topcoat sanding, and other finishing steps where surface quality shows up in the final result.\u003c\/p\u003e\n      \u003cp\u003eMirka also calls out curl resistance and a non-absorbent construction. On the job, that matters because wet sanding sheets that curl or soak up water can get annoying fast and make it harder to keep even contact across the surface. The minimal suction to the surface is another practical detail. It helps the sheet move more smoothly by hand, which makes long sanding passes easier to control and reduces the stop-start feel that can show up with lesser wet sanding paper.\u003c\/p\u003e\n      \u003cp\u003eThe C-weight latex paper backing is there for flexibility. That gives the sheet better compliance over contours, repaired areas, and curved panels where a stiff abrasive can leave uneven pressure marks. Mirka also notes a highly polishable scratch pattern, which is exactly what you want in a fine-grit wet sanding sheet. If the next step is polishing, recoating, or refining a finish, a cleaner and more uniform scratch pattern saves time downstream.\u003c\/p\u003e\n      \u003cp\u003eIn terms of application range, these sheets are suited for paints, primers, lacquer, metal, composite materials, putty, and wood sanding. That makes them useful across automotive refinishing, marine refinishing, body repair, paint prep, and detailed finish work in the shop. The plain 9 x 11 inch format is straightforward too. You can use the full sheet by hand or cut it down to match blocks, pads, or the exact size you want for tight work.\u003c\/p\u003e\n      \u003cp\u003eThis Mirka sheet makes the most sense for users who already know that finish prep is where a job can either come together or go sideways. If you need a coarse sheet for stripping, this is not that. If you need a fine wet sanding sheet that stays manageable, works across common refinishing materials, and is sold in a shop-friendly 50-count box, it is right in its lane.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eSmooth Control for Finish Sanding\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/20260624005_1.jpg\" alt=\"Mirka 21-101-P800 WPF Pro sandpaper sheet in 9 x 11 inch format for manual wet sanding and finish surface preparation in paint and refinishing work\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eFor fine sanding work, the sheet needs to stay flat, stay flexible, and keep moving without fighting you. That is where the WPF Pro construction earns its keep.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eWaterproof, non-absorbent design supports manual wet sanding applications\u003c\/li\u003e\n            \u003cli\u003eC-weight latex paper backing adds flexibility for curves, repaired areas, and detailed finish work\u003c\/li\u003e\n            \u003cli\u003eHighly polishable scratch pattern helps leave a finer surface before polishing or recoating\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-whats-included\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"tnincluded-wrapper\"\u003e\n        \u003cul\u003e\n          \u003cli\u003e(50) Mirka WPF Pro 9 x 11 in sandpaper sheets, P800 grit\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-key-specifications\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003ctable class=\"aplusspecs\"\u003e\n        \u003ctr\u003e\n          \u003cth\u003eGrit\u003c\/th\u003e\n          \u003ctd\u003eP800\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eSheet Size\u003c\/th\u003e\n          \u003ctd\u003e9 x 11 in\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003ePackage Quantity\u003c\/th\u003e\n          \u003ctd\u003e50 sheets\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eSheet Style\u003c\/th\u003e\n          \u003ctd\u003ePlain\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eAbrasive Type\u003c\/th\u003e\n          \u003ctd\u003eWaterproof abrasive\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBacking\u003c\/th\u003e\n          \u003ctd\u003eC-weight latex paper\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eApplication\u003c\/th\u003e\n          \u003ctd\u003eManual wet sanding\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eSuitable Materials\u003c\/th\u003e\n          \u003ctd\u003ePaint, primer, lacquer, metal, composite materials, putty, and wood\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-applications-uses\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eBuilt For\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"tags\"\u003e\n        \u003cspan class=\"tag\"\u003eAutomotive Refinishing\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eBody Repair\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003ePaint Prep\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003ePrimer Sanding\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eTopcoat Sanding\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eMetalworking\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eWoodworking\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eComposite Surface Prep\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-pro-tips\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003ePro Tip\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"tip-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/specs.svg\" alt=\"specs\" class=\"icon-lg\"\u003e\n        \u003cp class=\"tip-text\"\u003eWhen you are using the Mirka 21-101-P800 WPF Pro sandpaper sheets for finish work, keep the sheet properly wet through the pass. That helps the waterproof, non-absorbent backing do its job and keeps the sanding action smoother on primer, paint, and lacquer surfaces.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-tool-nut-take\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eTool Nut's Take\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"eyebrow\"\u003eTool Nut's Take\u003c\/div\u003e\n      \u003ch3\u003eMirka 21-101-P800 WPF Pro Sandpaper Sheets for Clean Finish Work\u003c\/h3\u003e\n      \u003cp\u003eThis is the kind of sheet you buy when surface quality matters more than brute-force material removal.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Painters, refinishers, body techs, and serious DIY users doing wet sanding on primer, paint, lacquer, metal, wood, putty, or composites.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e The waterproof build, flexible C-weight latex paper, and polish-friendly scratch pattern are the details that make a fine-grit sheet easier to control and easier to finish out cleanly.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This Mirka 21-101-P800 WPF Pro sandpaper sheet is a fine P800 sheet, so it is for refining and prep, not heavy stripping or fast stock removal.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-faqs\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eCommon Questions\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat type of sanding is this sheet made for?\u003c\/strong\u003e It is designed for manual wet sanding.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat grit is this Mirka sheet?\u003c\/strong\u003e It is P800 grit, which is suited to fine sanding and finish preparation.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat materials can it be used on?\u003c\/strong\u003e Mirka lists paints, primers, lacquer, metal, composite materials, putty, and wood.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat is the sheet size?\u003c\/strong\u003e Each sheet measures 9 x 11 inches.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e","brand":"Mirka","offers":[{"title":"Default Title","offer_id":53385934176550,"sku":"21-101-P800-MIRKA","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260624005_1.jpg?v=1782171956","url":"https:\/\/www.toolnut.com\/products\/mirka-wpf-pro-9-in-x-11-in-p800-waterproof-sandpaper-sheets-50-pack-21-101-p800","provider":"Tool Nut","version":"1.0","type":"link"}