{"product_id":"4-inch-wet-diamond-polishing-pads-granite-marble-concrete","title":"4\" Wet Diamond Polishing Pads for Concrete Stone | 50-3000 Grit — KAIYI","description":"\u003ch3\u003e\u003cb\u003e4\" Wet Diamond Polishing Pads — Granite, Marble \u0026amp; Concrete | KAIYI\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eKAIYI 4-inch wet diamond polishing pads deliver consistent, professional-grade results on granite, marble, quartz, concrete, and terrazzo. Engineered with a high-concentration diamond matrix and non-staining light resin bond, these pads are the choice of professional stone fabricators and restoration contractors worldwide.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFull Grit Range 50–3000:\u003c\/b\u003e Complete progression from coarse grinding to mirror-gloss finishing in a single product line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWet Use:\u003c\/b\u003e Continuous water flow cools the pad, suppresses dust, and maximizes diamond exposure for consistent cut rate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNon-Staining Light Resin:\u003c\/b\u003e Light-colored resin bond prevents staining on white marble and light-colored stone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Diamond Concentration:\u003c\/b\u003e Grade A diamond matrix ensures aggressive cutting at coarse grits and high gloss at fine grits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUniversal 4\" Hook \u0026amp; Loop Backing:\u003c\/b\u003e Compatible with all standard 4-inch angle grinders and flexible backing plates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDiameter\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Inch (100 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCompatible Materials\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eGranite, Marble, Quartz, Concrete, Terrazzo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eGrit Range\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e50 \/ 100 \/ 200 \/ 400 \/ 800 \/ 1500 \/ 3000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eBond Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eResin Bond (Non-Staining Light Resin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDiamond Grade\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eGrade A Synthetic Diamond\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWorking Layer\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0 mm Sintered Working Layer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMax RPM\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e4,500 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eAttachment\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eHook \u0026amp; Loop (Velcro)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eUsage Mode\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eWet Use Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eGrit Selection Guide:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eGrit 50 \u0026amp; 100:\u003c\/b\u003e Coarse grinding, lippage removal, saw mark elimination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGrit 200 \u0026amp; 400:\u003c\/b\u003e Honing, surface refinement, scratch removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGrit 800 \u0026amp; 1500:\u003c\/b\u003e Polishing, gloss development.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGrit 3000:\u003c\/b\u003e Mirror finish, final buffing stage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eUsage Tips\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlways maintain continuous water flow — never use wet pads dry.\u003c\/li\u003e\n\u003cli\u003eInspect surface under raking light between each grit stage before advancing.\u003c\/li\u003e\n\u003cli\u003eUse 2,000–4,500 RPM depending on grit: lower for coarse, higher for fine finishing.\u003c\/li\u003e\n\u003cli\u003eApply 10–20 lbs of downward pressure. Excessive pressure accelerates pad wear.\u003c\/li\u003e\n\u003cli\u003eBreak in new pads on scrap stone for 30–60 seconds before use on finished surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eTechnical FAQ\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eCan I use these pads on concrete?\u003c\/b\u003e\u003cbr\u003eYes. For concrete, follow up with a lithium silicate densifier after Grit 400, cure 24 hours, then continue to 800 and 3000 for a high-gloss finish.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAre these pads compatible with standard angle grinders?\u003c\/b\u003e\u003cbr\u003eYes. The hook \u0026amp; loop (Velcro) backing is compatible with all standard 4-inch angle grinders with a flexible backing plate.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDo you offer wholesale or OEM pricing?\u003c\/b\u003e\u003cbr\u003eYes. Contact us via the \u003ca href=\"\/pages\/contact\"\u003eContact page\u003c\/a\u003e or \u003ca href=\"\/pages\/wholesale-diamond-polishing-pads\"\u003eWholesale page\u003c\/a\u003e for bulk and custom orders.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003e🔗 Related Products\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4-inch-wet-diamond-polishing-pads-granite-marble\"\u003e4\" Wet Diamond Polishing Pads for Granite \u0026amp; Marble →\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/4-inch-metal-bond-diamond-polishing-pads-marble-granite-ceramic\"\u003e4\" Metal Bond Diamond Polishing Pads for Marble Granite Ceramic →\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/metal-bond-diamond-grinding-pads-granite-leveling\"\u003eMetal Bond Diamond Grinding Pads for Granite Leveling →\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/professional-diamond-wet-polishing-pads-stone-gloss\"\u003eWet Diamond Polishing Pads for Stone High Gloss →\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e👉 \u003ca href=\"\/pages\/contact\"\u003e\u003cb\u003eContact us for wholesale pricing or samples →\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e KAIYI | \u003cstrong\u003eMPN:\u003c\/strong\u003e KAIYI-DPF-CUST-03 | \u003cstrong\u003eManufacturer:\u003c\/strong\u003e Diamond Pads Factory\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Quanzhou, Fujian, China | \u003cstrong\u003eManufactured to ISO 9136 dimensional standards\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eCustoms Duties \u0026amp; Import Taxes:\u003c\/strong\u003e Prices exclude customs duties, import taxes, and destination country fees. These charges are the buyer's responsibility.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003e⚠️ Safety \u0026amp; Usage Information\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eWet use only.\u003c\/b\u003e Never operate dry — generates hazardous silica dust.\u003c\/li\u003e\n\u003cli\u003eWear safety goggles, face shield, dust mask (P100), and protective gloves.\u003c\/li\u003e\n\u003cli\u003eInspect pad before each use. Do not use damaged or delaminated pads.\u003c\/li\u003e\n\u003cli\u003eFor professional use by trained adults (18+). Keep out of reach of children.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eHow to use wet diamond polishing pads?\u003c\/h3\u003e\n\u003cp\u003eConnect your polisher to a water source. Set water flow to a light, continuous stream. Run at 3,000-4,500 RPM. Keep the pad moving.\n  Progress from 50 grit through 3000 grit for mirror finish. Clean the surface between grit changes.\u003c\/p\u003e\n\n\u003ch3\u003eWhat pad do you use to polish concrete?\u003c\/h3\u003e\n\u003cp\u003eFor concrete: metal bond diamond pads (30-100 grit) for aggressive grinding and lippage removal, then resin bond pads (200-3000 grit)\n  for polishing. KAIYI offers both metal and resin bond concrete polishing pads. For countertops, start at 100 grit wet diamond pads.\u003c\/p\u003e\n\n\u003ch3\u003eHow to diamond polishing pads for concrete?\u003c\/h3\u003e\n\u003cp\u003eStart with 50 grit for surface preparation. Progress through 100 → 200 → 400 → 800 → 1500 → 3000 grit. Apply concrete densifier after\n  400 grit. Use wet method for best results and dust control.\u003c\/p\u003e\n\n\u003ch3\u003eAre granite and concrete polishing pads different?\u003c\/h3\u003e\n\u003cp\u003eYes. Concrete pads use a harder bond matrix for abrasive concrete surfaces. Granite pads use softer resin bonds for hard natural\n  stone. Concrete polishing often requires metal bond pads for initial grinding stages.\u003c\/p\u003e\n\n\u003ch3\u003eHow to use diamond polishing pads on stone?\u003c\/h3\u003e\n\u003cp\u003eStart with the coarsest grit and work through progressively finer grits (50 → 100 → 200 → 400 → 800 → 1500 → 3000). Keep the pad\n  moving. Use light to moderate pressure. Wet method recommended for stone surfaces.\u003c\/p\u003e\n\n\u003ch3\u003eShould you wet polishing pads?\u003c\/h3\u003e\n\u003cp\u003eYes — wet diamond polishing pads must be used with water for cooling, dust control, and finish quality. Dry pads are designed with\n  honeycomb cooling and should not be used with water.\u003c\/p\u003e\n\n\u003ch3\u003eCan you use wet polishing pads dry?\u003c\/h3\u003e\n\u003cp\u003eNo. Wet diamond polishing pads rely on water for cooling. Using them dry causes rapid heat buildup, pad delamination, and stone\n  damage. Use KAIYI dry diamond polishing pads for water-free applications.\u003c\/p\u003e\n\n\u003ch3\u003eHow to clean diamond polishing pads?\u003c\/h3\u003e\n\u003cp\u003eRinse pads with clean water after each use. Use a soft brush to remove slurry. Air dry completely before storing. Replace when diamond\n   layer is worn below 1mm.\u003c\/p\u003e\n\n\u003ch3\u003eWhere to buy diamond polishing pads?\u003c\/h3\u003e\n\u003cp\u003eDiamond Pads Factory (KAIYI) offers factory-direct diamond polishing pads with wholesale pricing. Free samples for qualified B2B\n  buyers. Ships globally from Quanzhou, Fujian, China.\u003c\/p\u003e","brand":"Diamond Pads Factory","offers":[{"title":"Grit 50 (4\")","offer_id":43404384534646,"sku":"KAIYI-DPF-CUST-03-G50","price":5.5,"currency_code":"USD","in_stock":true},{"title":"Grit 100 (4\")","offer_id":43404384567414,"sku":"KAIYI-DPF-CUST-03-G100","price":5.5,"currency_code":"USD","in_stock":true},{"title":"Grit 200 (4\")","offer_id":43404384600182,"sku":"KAIYI-DPF-CUST-03-G200","price":5.5,"currency_code":"USD","in_stock":true},{"title":"Grit 400 (4\")","offer_id":43404384632950,"sku":"KAIYI-DPF-CUST-03-G400","price":5.5,"currency_code":"USD","in_stock":true},{"title":"Grit 800 (4\")","offer_id":43404384665718,"sku":"KAIYI-DPF-CUST-03-G800","price":5.5,"currency_code":"USD","in_stock":true},{"title":"Grit 1500 (4\")","offer_id":43404384698486,"sku":"KAIYI-DPF-CUST-03-G1500","price":5.5,"currency_code":"USD","in_stock":true},{"title":"Grit 3000 (4\")","offer_id":43404384731254,"sku":"KAIYI-DPF-CUST-03-G3000","price":5.5,"currency_code":"USD","in_stock":true},{"title":"(4\")7-piece Full Set","offer_id":43404384764022,"sku":"KAIYI-DPF-CUST-03-SET","price":37.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/1819\/8902\/files\/IMG_5963_58e4d7fa-9334-40d4-afe8-1ec76d064bd4.jpg?v=1778741330","url":"https:\/\/www.diamondpadsfactory.com\/products\/4-inch-wet-diamond-polishing-pads-granite-marble-concrete","provider":"Diamond Pads Factory","version":"1.0","type":"link"}