{"product_id":"kester-24-6337-0018-1lb-rosin-activated-ra-solder-wire-63-37-sn-pb","title":"Kester 24-6337-0018 1lb Rosin Activated RA Solder Wire 63\/37 Sn\/Pb","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eKester 24-6337-0018 is a 1 lb spool of leaded solder wire built for electronics assembly and repair. It uses rosin-activated RA flux to help metals wet evenly, aiding consistent fillets and reliable joints. The alloy is 63\/37 Sn\/Pb, a classic balance of flow and strength that this size of wire supports with steady feeding and controlled application. The external diameter is 0.635 mm (0.025 in), a versatile gauge that feeds smoothly through common soldering irons and onto medium-density boards. The melting temperature is approximately 183 C, offering a practical heat window for quick work without excessive risk to nearby components. This product is not RoHS compliant, so consider regional requirements before use.\u003c\/p\u003e\n\u003cp\u003eIn real-world use, this solder is well suited for vintage gear, through-hole assemblies, and hobbyist projects where a dependable, easy-to-control flow is valued. The rosin-activated flux forms a resin-like surface that enhances wetting on copper pads and pin terminals, promoting bright, durable-looking joints once cooled. The 1 lb reel reduces the need for frequent repurchases during longer builds or multiple repairs, making it a practical choice for technicians and dedicated hobbyists alike.\u003c\/p\u003e\n\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 lb spool\u003c\/li\u003e\n  \u003cli\u003eLeaded solder: 63\/37 Sn\/Pb\u003c\/li\u003e\n  \u003cli\u003eFlux type: Rosin Activated RA\u003c\/li\u003e\n  \u003cli\u003eExternal diameter: 0.635 mm (0.025 in)\u003c\/li\u003e\n  \u003cli\u003eMelting temperature: ~183 C\u003c\/li\u003e\n  \u003cli\u003eRoHS compliant: NO\u003c\/li\u003e\n  \u003cli\u003eProduct category: Soldering wire\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eElectronics repair on vintage gear and through-hole components\u003c\/li\u003e\n  \u003cli\u003eGeneral prototyping and hobby electronics on medium-density boards\u003c\/li\u003e\n  \u003cli\u003eWire tinning and connector junctions for reliable electrical connections\u003c\/li\u003e\n  \u003cli\u003eProjects where a forgiving, well-wetting flow is beneficial\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: Benefits described reflect documented features and common usage. Your results depend on technique, board design, and materials. Use in environments where leaded solder is appropriate and compliant with local regulations.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the solder composition and flux type of Kester 24-6337-0018?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 63\/37 Sn\/Pb alloy with rosin-activated RA flux; leaded solder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this product RoHS compliant and what is the wire diameter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Not RoHS compliant; wire diameter is 0.635 mm (0.025 in).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Kester","offers":[{"title":"Default Title","offer_id":47468209340590,"sku":"B0032UZ80W","price":126.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/6012\/9710\/files\/kester-24-6337-0018-rosin-activated-ra-solder-wire-1lb.jpg?v=1770395755","url":"https:\/\/handyskook.ca\/products\/kester-24-6337-0018-1lb-rosin-activated-ra-solder-wire-63-37-sn-pb","provider":"HandySkook","version":"1.0","type":"link"}