{"product_id":"mbpeek","title":"PEEK Milling Balls (2-25 mm), 5-50 pcs\/bag, MBPEEK","description":"\u003cp\u003ePEEK (Polyetheretherketone) Milling Balls represent an elite class of high-performance thermoplastic grinding media. \u003cspan class=\"citation-112 citation-end-112\"\u003eWhile typical polymer-based media like PTFE (Teflon) or nylon are very soft and struggle under high temperatures, pure PEEK is a highly crystalline engineering plastic featuring exceptional mechanical strength, a high melting point (\u003csup data-turn-source-index=\"1\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan data-index-in-node=\"350\" data-math=\"\\approx 343^\\circ\\text{C}\" class=\"math-inline\"\u003e~ 343\u003c\/span\u003e\u003cspan class=\"citation-111 citation-end-111\"\u003e), and excellent dimensional stability under stress. In laboratory ball milling and bead beating applications, PEEK media fills a critical niche: providing a metal-free, oxide-free, and high-temperature-stable milling environment for sensitive chemical matrices.\u003csup data-turn-source-index=\"2\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe critical advantages are: (1) \u003cstrong\u003eAdvanced Abrasion and Fatigue Resistance\u003c\/strong\u003e: Unlike nylon or polyurethane, which tend to peel or shed elastic polymer micro-fibers into the batch under continuous friction, PEEK possesses excellent self-lubricating wear characteristics and high compression fatigue resistance. This drastically minimizes structural organic carbon contamination during long runs. (2) \u003cstrong\u003eRadical Resistance to Solvent and Heat Attack\u003c\/strong\u003e: PTFE media is chemically clean but prone to physical deformation (cold flow under pressure) and degrades rapidly above 260°C. PEEK retains strict dimensional tolerances under continuous multi-G planetary forces and can even handle temporary friction-induced heat spikes up to 300°C without shedding or changing shape. (3) \u003cstrong\u003eSemiconductor and Semiconductor-Grade Purity\u003c\/strong\u003e: PEEK media contains zero transition metals (Fe, Cr, Ni, Co) or mineral oxides (ZrO2, Al2O3). Any trace wear debris consists purely of carbon, hydrogen, and oxygen polymers, which can be cleanly pyrolyzed or safely integrated into organic semiconductor and advanced carbon matrices.\u003c\/p\u003e\n\u003ctable style=\"height: 380.8px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 47.6px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 47.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eMBPEEK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 47.6px;\"\u003e\u003cem\u003eBall Material\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 47.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003ePEEK\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 47.6px;\"\u003e\u003cem\u003eMilling Ball Sizes\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 47.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e2-25 mm (\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eother sizes can be supplied upon request\u003c\/span\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 47.6px;\"\u003e\u003cem\u003eSS Grade\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 47.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eG100\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 47.6px;\"\u003e\u003cem\u003eSpherical Resolution\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 47.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e±5 um\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 47.6px;\"\u003e\u003cem\u003eHardness\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 47.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e~HRR120\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 47.6px;\"\u003e\u003cem\u003eDensity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 47.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e1.3 g\/cm3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003e\u003cem\u003eTemperature Range\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%;\"\u003e\n\u003cul\u003e\n\u003cli\u003e-200 ~ 300 °C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 47.6px;\"\u003e\u003cem\u003ePackage Grade\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 47.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e5-50 pcs\/bag (depends on the ball sizes)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HSWJ","offers":[{"title":"2 mm \u0026 50 pcs","offer_id":47974528876774,"sku":"MBPEEKD2P50","price":99.0,"currency_code":"USD","in_stock":true},{"title":"3 mm \u0026 50 pcs","offer_id":47974497452262,"sku":"MBPEEKD3P50","price":119.0,"currency_code":"USD","in_stock":true},{"title":"4 mm \u0026 50 pcs","offer_id":47974497485030,"sku":"MBPEEKD4P50","price":119.0,"currency_code":"USD","in_stock":true},{"title":"5 mm \u0026 50 pcs","offer_id":47974497517798,"sku":"MBPEEKD5P50","price":129.0,"currency_code":"USD","in_stock":true},{"title":"6 mm \u0026 50 pcs","offer_id":47974497550566,"sku":"MBPEEKD6P50","price":159.0,"currency_code":"USD","in_stock":true},{"title":"8 mm \u0026 30 pcs","offer_id":47974497583334,"sku":"MBPEEKD8P30","price":149.0,"currency_code":"USD","in_stock":true},{"title":"10 mm \u0026 30 pcs","offer_id":47974497616102,"sku":"MBPEEKD10P30","price":159.0,"currency_code":"USD","in_stock":true},{"title":"12 mm \u0026 15 pcs","offer_id":47974497648870,"sku":"MBPEEKD12P15","price":149.0,"currency_code":"USD","in_stock":true},{"title":"15 mm \u0026 10 pcs","offer_id":47974497681638,"sku":"MBPEEKD15P10","price":129.0,"currency_code":"USD","in_stock":true},{"title":"20 mm \u0026 5 pcs","offer_id":47974497714406,"sku":"MBPEEKD20P5","price":119.0,"currency_code":"USD","in_stock":true},{"title":"25 mm \u0026 5 pcs","offer_id":47974497747174,"sku":"MBPEEKD25P5","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/MBPEEK_main.jpg?v=1783904284","url":"https:\/\/echemsupplies.com\/products\/mbpeek","provider":"EChem Supplies","version":"1.0","type":"link"}