{"product_id":"pv-ribbon-and-flux-low-temperature-soldering-ribbon","title":"PV Ribbon and Flux — Low-Temperature Soldering Ribbon","description":"\u003cblockquote\u003e\n\u003cp\u003ePV ribbon and flux for solar cell interconnection: low-temperature soldering ribbon in high-purity tin-coated copper, supporting MBB and half-cut lines.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e\u003cimg alt=\"PV Ribbon and Flux — Low-Temperature Soldering Ribbon\" src=\"https:\/\/cdn.ooitech.com\/runtime\/image\/w800_h600_fitblur_v2_2026032717287347.webp\"\u003e\u003c\/p\u003e\n\u003ch4\u003ePV Ribbon and Flux — Low-Temperature Soldering Ribbon\u003c\/h4\u003e\n\u003cp\u003ePV ribbon and flux for solar cell interconnection: low-temperature soldering ribbon in high-purity tin-coated copper, supporting MBB and half-cut lines.\u003c\/p\u003e\n\u003chr\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eQuick answer:\u003c\/strong\u003e PV ribbon is the tin-coated copper strip that connects individual solar cells into strings, and flux is the chemistry that lets solder wet the cell metallisation cleanly. If cells are the heart of a module, ribbon is the vascular system carrying the generated current out to the junction box. Low-temperature soldering ribbon is coated with a tin-lead or lead-free alloy that melts below the cell's thermal damage threshold, which matters for thin wafers and for half-cut and multi-busbar layouts where joint count per module is high. Ribbon geometry, coating thickness and surface cleanliness decide joint resistance and long-term reliability. Flux does the invisible work: it removes surface oxide during heating so the molten solder wets the cell finger metallisation, and its residue must then be safe to leave inside a sealed module for 25 years. Ooitech supplies PV ribbon and matching flux for production lines from 5 MW through 1 GW, including modules rated above 700 W where current per ribbon is highest.\u003c\/p\u003e\n\u003cp\u003ePV Module Manufacturing · by Jerry, Ooitech\u003c\/p\u003e\n\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\n\u003cp\u003eIn the sophisticated architecture of solar panel manufacturing, if solar cells represent the \"heart\" of a module, then soldering ribbons form the vital \"vascular system\" that transports generated energy throughout the panel. Our premium photovoltaic soldering ribbons and specialized flux solutions from Ooitech create the most fundamental and extensive electrical network within solar modules, ensuring optimal power transmission and long-term reliability.\u003c\/p\u003e\n\u003cp\u003eOur comprehensive soldering material portfolio includes high-purity oxygen-free copper ribbons with precision tin coating, available in both interconnecting (tabbing wire) and busbar configurations. Paired with our advanced no-clean flux formulations, these materials enable manufacturers to achieve perfect metallurgical bonds that withstand decades of thermal cycling and environmental stress. Whether you're producing traditional modules or implementing cutting-edge Multi-Busbar (MBB) technology, our solutions ensure minimal series resistance and maximum power output.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ch3\u003eInterconnecting Ribbon (Tabbing Wire) Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth Range\u003c\/td\u003e\n\u003ctd\u003e0.8 - 2.0\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness Range\u003c\/td\u003e\n\u003ctd\u003e0.08 - 0.20\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCopper Purity\u003c\/td\u003e\n\u003ctd\u003e≥99.99%\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOxygen Content\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;10\u003c\/td\u003e\n\u003ctd\u003eppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTin Coating Thickness\u003c\/td\u003e\n\u003ctd\u003e10 - 25\u003c\/td\u003e\n\u003ctd\u003eμm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElongation\u003c\/td\u003e\n\u003ctd\u003e≥25\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e200 - 250\u003c\/td\u003e\n\u003ctd\u003eMPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Resistivity\u003c\/td\u003e\n\u003ctd\u003e≤0.0175\u003c\/td\u003e\n\u003ctd\u003eΩ·mm²\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolder Alloy Options\u003c\/td\u003e\n\u003ctd\u003eSn60Pb40, Sn63Pb37, Lead-free\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBusbar Ribbon Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth Range\u003c\/td\u003e\n\u003ctd\u003e4.0 - 6.0\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness Range\u003c\/td\u003e\n\u003ctd\u003e0.20 - 0.35\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCopper Purity\u003c\/td\u003e\n\u003ctd\u003e≥99.99%\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTin Coating Uniformity\u003c\/td\u003e\n\u003ctd\u003e±2\u003c\/td\u003e\n\u003ctd\u003eμm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Carrying Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 15\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYield Strength\u003c\/td\u003e\n\u003ctd\u003e60 - 120\u003c\/td\u003e\n\u003ctd\u003eMPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating Adhesion\u003c\/td\u003e\n\u003ctd\u003eNo peeling at 180° bend\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNo-Clean Flux Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolid Content\u003c\/td\u003e\n\u003ctd\u003e15 - 25\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Value\u003c\/td\u003e\n\u003ctd\u003e7.0 - 8.5\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActivity Level\u003c\/td\u003e\n\u003ctd\u003eROL0\/ROL1\u003c\/td\u003e\n\u003ctd\u003eIPC J-STD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHalide Content\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.05\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd\u003e180 - 250\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResidue Corrosivity\u003c\/td\u003e\n\u003ctd\u003eNon-corrosive\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;10¹¹\u003c\/td\u003e\n\u003ctd\u003eΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003emonths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eTechnical Advantages\u003c\/h2\u003e\n\u003ch3\u003eSuperior Material Properties\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-High Purity Copper Core\u003c\/strong\u003e: Our oxygen-free copper achieves \u0026gt;99.99% purity with oxygen content below 10ppm, ensuring the lowest possible electrical resistance and optimal conductivity throughout the module's lifetime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Coating Technology\u003c\/strong\u003e: Uniform tin coating with ±2μm tolerance guarantees consistent soldering quality across millions of connection points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Mechanical Properties\u003c\/strong\u003e: Fully annealed copper ribbons with \u0026gt;25% elongation minimize stress on fragile silicon cells during assembly and thermal cycling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvanced Flux Chemistry\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple-Action Performance\u003c\/strong\u003e: Our flux simultaneously removes oxides, prevents re-oxidation during soldering, and improves solder wetting for perfect metallurgical bonds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-Clean Formula\u003c\/strong\u003e: Eliminates post-soldering cleaning steps with inert, non-conductive residues that meet IPC standards for reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControlled Activity\u003c\/strong\u003e: Precisely balanced chemistry removes oxides effectively without damaging anti-reflective coatings or silver electrodes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eManufacturing Excellence\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMBB Technology Compatible\u003c\/strong\u003e: Special ultra-fine ribbon specifications support advanced Multi-Busbar designs with 9, 12, or more busbars\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free Options\u003c\/strong\u003e: Environmentally compliant solder alloys available for markets requiring RoHS compliance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBatch Consistency\u003c\/strong\u003e: Rigorous quality control ensures uniform properties across production batches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Series Resistance\u003c\/strong\u003e: High-conductivity materials and perfect solder joints minimize power losses in the electrical network\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Reliability\u003c\/strong\u003e: Soft copper and optimized flux chemistry prevent micro-cracks and ensure 25+ year module lifetime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Yield\u003c\/strong\u003e: Consistent material quality reduces defects and increases first-pass yield in module production\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Applications\u003c\/h2\u003e\n\u003ch3\u003eSolar Module Manufacturing\u003c\/h3\u003e\n\u003cp\u003eOur soldering materials are essential consumables for all types of photovoltaic module production, from residential rooftop panels to utility-scale solar farms. The ribbons and flux work seamlessly with Ooitech's complete production line equipment including \u003ca href=\"https:\/\/www.ooitech.com\/SS-1500B-Automatic-Solar-Cell-Welding-Machine-High-Speed-Tabber-Stringer-for-BC-TOPCON-PERC-Cells.html\"\u003etabber stringer\u003c\/a\u003es, \u003ca href=\"https:\/\/www.ooitech.com\/hdx200-p-half-cell-auto-bussing-machine-automatic-busbar-welding-machine-for-solar-panel-production.html\"\u003ebussing machine\u003c\/a\u003es, and laminators to create reliable electrical connections in modules ranging from 5MW to 1GW annual capacity.\u003c\/p\u003e\n\u003ch3\u003eTechnology Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePERC Modules\u003c\/strong\u003e: Optimized for Passivated Emitter and Rear Cell technology with specialized rear-side connection solutions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/www.ooitech.com\/what-is-topcon-solar-cell-a-complete-guide-to-tunnel-oxide-passivated-contact-technology.html\"\u003eTOPCon\u003c\/a\u003e Applications\u003c\/strong\u003e: Compatible with Tunnel Oxide Passivated Contact cells requiring gentle handling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHJT\/SHJ Modules\u003c\/strong\u003e: Low-temperature flux options available for temperature-sensitive heterojunction cells\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBifacial Designs\u003c\/strong\u003e: Transparent \u003ca href=\"https:\/\/www.ooitech.com\/Photovoltaic-Backsheet-The-Critical-Protective-Layer-for-Solar-Modules.html\"\u003ebacksheet\u003c\/a\u003e compatible ribbons for maximum rear-side light capture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShingled Technology\u003c\/strong\u003e: Ultra-thin ribbons for overlapping cell designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIBC and ABC Cells\u003c\/strong\u003e: Specialized all-back-contact ribbon configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eModule Types and Sizes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Formats\u003c\/strong\u003e: G1, M6, M10, M12 wafer-based modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Power Applications\u003c\/strong\u003e: Ribbons rated for modules up to 700W with high current requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Modules\u003c\/strong\u003e: Special soft-temper ribbons for bendable thin-film applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilding-Integrated PV\u003c\/strong\u003e: Aesthetic ribbon options for BIPV installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eContact and Purchase\u003c\/h2\u003e\n\u003ch3\u003eGet Your Solar Production Materials from Ooitech\u003c\/h3\u003e\n\u003cp\u003eEnsure the quality and reliability of your solar module production with Ooitech's premium soldering ribbons and flux solutions. As your comprehensive solar manufacturing partner, we provide not only these critical consumables but also complete production line equipment, training, and ongoing technical support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDownload Technical Resources:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1EWA3TV6hJb_cAUH6w0UENpRglAgq_Kzv\/view?usp=sharing\"\u003eComplete Ooitech Catalog\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1yg9NLXzLOmPWriYScQZeM6ZfSZ8gcQ88\/view?usp=sharing\"\u003eCompany Profile\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWatch Our Production Line in Action:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVisit our YouTube channel: \u003ca href=\"www.youtube.com\/ooitech\"\u003ewww.youtube.com\/ooitech\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eMBB Full Automatic Production Line: \u003ca href=\"https:\/\/www.youtube.com\/watch?v=uRS9sn94sIQ\"\u003eWatch Video\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSubscribe to our channel for the latest solar manufacturing insights and technology updates!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact Our Technical Sales Team:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmail\u003c\/strong\u003e: \u003ca href=\"mailto:info@ooitech.com\"\u003einfo@ooitech.com\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhone\u003c\/strong\u003e: +86 18571646990\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhatsApp\u003c\/strong\u003e: +86 15961592660\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWebsite\u003c\/strong\u003e: \u003ca href=\"www.ooitech.com\"\u003ewww.ooitech.com\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Office\u003c\/strong\u003e: Wuhan Yangtze River Center, Wuhan, China\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose Ooitech:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComplete solar panel production line solutions from 5MW to 1GW capacity\u003c\/li\u003e\n\u003cli\u003eComprehensive equipment portfolio including \u003ca href=\"https:\/\/www.ooitech.com\/SC-20P-Automatic-Solar-Cell-Laser-Cutting-Machine-High-Precision-BC-Cell-Processing-Equipment.html\"\u003elaser cutting\u003c\/a\u003e, stringing, lamination, and testing\u003c\/li\u003e\n\u003cli\u003eExpert training on material selection and process optimization\u003c\/li\u003e\n\u003cli\u003eGlobal delivery and installation support\u003c\/li\u003e\n\u003cli\u003eLong-term technical service and spare parts availability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRequest a Quote Today!\u003c\/strong\u003e Our technical experts will help you select the optimal ribbon and flux specifications for your specific cell technology and production requirements. Contact us for samples, technical data sheets, and competitive pricing on bulk orders.\u003c\/p\u003e","brand":"Ooitech","offers":[{"title":"Default Title","offer_id":67691756716131,"sku":null,"price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/1427\/4659\/files\/w800_h600_fitblur_v2_2026032717287347.webp?v=1791858270","url":"https:\/\/ooitechchina.myshopify.com\/ar-global\/products\/pv-ribbon-and-flux-low-temperature-soldering-ribbon","provider":"Solar Panel Making Machine","version":"1.0","type":"link"}