{"product_id":"3m-7010359521-diamond-lapping-film-disc-4-inch-psa","title":"3M 7010359521 Diamond Lapping Film Disc 4 Inch Psa","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe 3M 7010359521 is a PSA-backed diamond lapping film disc engineered for precision finishing on extremely hard materials. Built on the same platform as the 661X series, this 668X-type disc uses precisely graded diamond abrasive particles coated onto a durable polyester film substrate. The pressure-sensitive adhesive (PSA) backing allows quick mounting to compatible flat platens or backup pads. Available in grades ranging from 0.10 to 30.0 micron, it delivers a consistent, repeatable surface finish across a wide range of finishing and polishing applications requiring tight tolerance control.\u003c\/p\u003e\u003cp\u003eThis disc is suited for precision lapping and polishing tasks in optical, electronics, aerospace, and tooling applications where surface finish consistency is critical. The 4-inch diameter format fits standard PSA-compatible lapping platens. Technicians and machinists working with ceramics, carbide, glass, hardened steel, and similar hard substrates will find this disc appropriate for final finishing and intermediate stock removal steps.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePSA backing for fast, secure platen mounting\u003c\/li\u003e\n\u003cli\u003ePrecisely graded diamond abrasive particles for uniform, repeatable finish\u003c\/li\u003e\n\u003cli\u003ePolyester film substrate supports flat surface contact and minimizes edge rounding\u003c\/li\u003e\n\u003cli\u003eFast cut rate increases throughput compared to conventional lapping films\u003c\/li\u003e\n\u003cli\u003eLong abrasive life reduces frequency of disc changes\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple micron grades from 0.10 to 30.0 micron\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with PSA-compatible flat lapping platens and backup pads accepting 4-inch diameter abrasive discs.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis disc is installed by trade professionals and precision machinists using standard lapping equipment. Clean the platen surface thoroughly before applying the PSA-backed disc to ensure full adhesive contact and prevent slippage during use. Avoid contaminating the abrasive surface with oils or debris, as this will reduce cut consistency and abrasive life. Follow equipment manufacturer guidelines for platen speed and applied pressure.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc Diameter\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking Type\u003c\/strong\u003e: PSA (Pressure-Sensitive Adhesive)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasive Type\u003c\/strong\u003e: Diamond\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate\u003c\/strong\u003e: Polyester Film\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasive Grade Range\u003c\/strong\u003e: 0.10 to 30.0 micron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Length\u003c\/strong\u003e: 5.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Width\u003c\/strong\u003e: 6.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Height\u003c\/strong\u003e: 0.15 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 00051111546956\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: 3M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 7010359521\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":51346602000690,"sku":"7010359521","price":492.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310524242.jpg?v=1782085041","url":"https:\/\/voomisupply.com\/products\/3m-7010359521-diamond-lapping-film-disc-4-inch-psa","provider":"Voomi Supply","version":"1.0","type":"link"}