{"product_id":"diamax-4-backer-plastic-blue-backer-pad-w-sponge","title":"Diamax-4\" Backer Plastic Blue  Backer Pad w\/ Sponge","description":"\u003ch2 data-start=\"105\" data-end=\"152\"\u003eDiamax 4″ Blue Plastic Backer Pad with Sponge\u003c\/h2\u003e\n\u003cp data-start=\"154\" data-end=\"677\"\u003eThe Diamax 4″ Blue Plastic Backer Pad with Sponge is a professional-grade support tool designed to provide enhanced cushioning and stability for diamond polishing and grinding pads on natural and engineered stone surfaces, including granite, marble, quartz, and engineered stone. Its unique sponge layer adds a slight flexibility and shock-absorbing effect, allowing polishing pads to conform more evenly to the stone surface, reducing the risk of uneven contact, surface imperfections, or chatter marks during polishing.\u003c\/p\u003e\n\u003cp data-start=\"679\" data-end=\"1011\"\u003eThis backer pad is especially useful when working on curved edges, radius corners, or subtle surface variations, where a standard rigid backer pad may not maintain consistent contact. The 4″ diameter strikes a balance between precision control for detailed work and sufficient support for efficient material removal and finishing.\u003c\/p\u003e\n\u003cp data-start=\"1013\" data-end=\"1472\"\u003eConstructed from durable blue plastic with a sponge interface, the pad is lightweight, easy to handle, and built to withstand repeated use in professional fabrication, installation, and restoration workflows. Its standard 5\/8″‑11 threaded arbor ensures compatibility with most angle grinders, air polishers, and other polishing equipment, while the Velcro attachment system allows for quick, secure, and tool-free pad changes, improving workflow efficiency.\u003c\/p\u003e\n\u003cp data-start=\"1474\" data-end=\"1907\"\u003eSuitable for both wet and dry polishing applications, this backer pad helps stone professionals achieve smooth, uniform finishes on flat surfaces, edges, corners, and profiles. The added sponge cushioning reduces operator fatigue, improves pad life, and enhances control over pressure and polishing consistency, making it an essential accessory for fabricators, countertop installers, tile contractors, and restoration specialists.\u003c\/p\u003e\n\u003ch2 data-start=\"1914\" data-end=\"1955\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-start=\"1914\" data-end=\"1955\"\u003e4\" Blue Plastic Backer Pad with Sponge\u003c\/h2\u003e\n\u003cp data-start=\"1957\" data-end=\"2035\"\u003eCushioned, durable backing plate for uniform polishing and grinding results.\u003c\/p\u003e\n\u003ch2 data-start=\"2042\" data-end=\"2074\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-start=\"2042\" data-end=\"2074\"\u003eKey Features \u0026amp; Specifications\u003c\/h2\u003e\n\u003ch3 data-start=\"2076\" data-end=\"2092\"\u003eConstruction\u003c\/h3\u003e\n\u003cp data-start=\"2093\" data-end=\"2192\"\u003eHigh-quality plastic with integrated sponge layer for added flexibility and vibration absorption.\u003c\/p\u003e\n\u003ch3 data-start=\"2194\" data-end=\"2219\"\u003eAttachment \/ Mounting\u003c\/h3\u003e\n\u003cp data-start=\"2220\" data-end=\"2330\"\u003eCompatible with Velcro-backed or standard diamond pads, ensuring secure attachment and minimal pad movement.\u003c\/p\u003e\n\u003ch3 data-start=\"2332\" data-end=\"2348\"\u003eIntended Use\u003c\/h3\u003e\n\u003cp data-start=\"2349\" data-end=\"2452\"\u003eSupports wet or dry polishing and grinding of granite, marble, quartz, and engineered stone surfaces.\u003c\/p\u003e\n\u003ch3 data-start=\"2454\" data-end=\"2479\"\u003eFlexibility \u0026amp; Control\u003c\/h3\u003e\n\u003cp data-start=\"2480\" data-end=\"2596\"\u003eSponge cushioning provides even pressure distribution, reducing the risk of surface scratches or uneven polishing.\u003c\/p\u003e\n\u003ch3 data-start=\"2598\" data-end=\"2609\"\u003eMax RPM\u003c\/h3\u003e\n\u003cp data-start=\"2610\" data-end=\"2694\"\u003eSuitable for high-speed operation (verify machine specifications for safe limits).\u003c\/p\u003e\n\u003ch3 data-start=\"2696\" data-end=\"2716\"\u003eCompatible Tools\u003c\/h3\u003e\n\u003cp data-start=\"2717\" data-end=\"2812\"\u003eFits hand polishers, angle grinders, and polishing machines designed for plastic backer pads.\u003c\/p\u003e\n\u003ch3 data-start=\"2814\" data-end=\"2830\"\u003eApplications\u003c\/h3\u003e\n\u003cp data-start=\"2831\" data-end=\"2951\"\u003eIdeal for countertops, stair edges, tabletops, and decorative stone surfaces requiring precise, professional finishes.\u003c\/p\u003e\n\u003ch2 data-start=\"2958\" data-end=\"2995\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-start=\"2958\" data-end=\"2995\"\u003eAvailable Items and Specifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2997\" data-end=\"3471\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2997\" data-end=\"3039\"\u003e\n\u003ctr data-start=\"2997\" data-end=\"3039\"\u003e\n\u003cth data-start=\"2997\" data-end=\"3004\" data-col-size=\"sm\" class=\"\"\u003eITEM\u003c\/th\u003e\n\u003cth data-start=\"3004\" data-end=\"3011\" data-col-size=\"sm\" class=\"\"\u003eSIZE\u003c\/th\u003e\n\u003cth data-start=\"3011\" data-end=\"3018\" data-col-size=\"sm\" class=\"\"\u003eBODY\u003c\/th\u003e\n\u003cth data-start=\"3018\" data-end=\"3028\" data-col-size=\"sm\" class=\"\"\u003eFITTING\u003c\/th\u003e\n\u003cth data-start=\"3028\" data-end=\"3039\" data-col-size=\"sm\" class=\"\"\u003eMAX RPM\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3083\" data-end=\"3471\"\u003e\n\u003ctr data-start=\"3083\" data-end=\"3159\"\u003e\n\u003ctd data-start=\"3083\" data-end=\"3090\" data-col-size=\"sm\"\u003eBP30\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3090\" data-end=\"3108\"\u003e3″, velcro back\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3108\" data-end=\"3131\"\u003eSoft\/flexible rubber\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3131\" data-end=\"3150\"\u003e5\/8″ – 11 thread\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3150\" data-end=\"3159\"\u003e3,500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3160\" data-end=\"3237\"\u003e\n\u003ctd data-start=\"3160\" data-end=\"3168\" data-col-size=\"sm\"\u003eBPC40\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3168\" data-end=\"3186\"\u003e4″, velcro back\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3186\" data-end=\"3209\"\u003eSoft\/flexible rubber\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3209\" data-end=\"3228\"\u003e5\/8″ – 11 thread\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3228\" data-end=\"3237\"\u003e3,500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3238\" data-end=\"3314\"\u003e\n\u003ctd data-start=\"3238\" data-end=\"3245\" data-col-size=\"sm\"\u003eBP50\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3245\" data-end=\"3263\"\u003e5″, velcro back\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3263\" data-end=\"3286\"\u003eSoft\/flexible rubber\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3286\" data-end=\"3305\"\u003e5\/8″ – 11 thread\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3305\" data-end=\"3314\"\u003e3,500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3315\" data-end=\"3398\"\u003e\n\u003ctd data-start=\"3315\" data-end=\"3323\" data-col-size=\"sm\"\u003eBPT40\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3323\" data-end=\"3341\"\u003e4″, velcro back\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3341\" data-end=\"3370\"\u003eThin, soft\/flexible rubber\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3370\" data-end=\"3389\"\u003e5\/8″ – 11 thread\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3389\" data-end=\"3398\"\u003e3,500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3399\" data-end=\"3471\"\u003e\n\u003ctd data-start=\"3399\" data-end=\"3408\" data-col-size=\"sm\"\u003eBPBL40\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3408\" data-end=\"3426\"\u003e4″, velcro back\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3426\" data-end=\"3441\"\u003eSoft\/plastic\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3441\" data-end=\"3460\"\u003e5\/8″ – 11 thread\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3460\" data-end=\"3471\"\u003e3,500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"109\" data-end=\"652\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Diamax","offers":[{"title":"Default Title","offer_id":50328317853912,"sku":"BPBL40","price":16.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/5407\/8680\/files\/diamax-default-title-diamax-5-soft-rubber-backer-pad-39824801038552.jpg?v=1781058586","url":"https:\/\/bladerunnerdiamondtools.com\/products\/diamax-4-backer-plastic-blue-backer-pad-w-sponge","provider":"BladeRunner Diamond Tools","version":"1.0","type":"link"}