{"product_id":"wonderway-sn42-bi58-t4-lead-free-solder-paste-no-clean-138-c-melting-point-30g-x4","title":"Wonderway SN42\/Bi58 T4 Lead Free Solder Paste – No Clean, 138°C Melting Point, 30g x4","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eWonderway SN42 Bi58 T4 is a lead free solder paste designed for reliable reflow across modern electronics and industrial equipment. With a 138°C melting point, it supports steady soldering while delivering bright weld points and consistent flow across joints. The no clean formulation reduces post processing and keeps workspaces cleaner during assembly.\u003c\/p\u003e\n\n\u003ch3\u003eComposition and Packaging\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePaste content: Tin 42% and Bi 58% alloy\u003c\/li\u003e\n  \u003cli\u003eFlux content: 10.5%\u003c\/li\u003e\n  \u003cli\u003eTotal weight: 39 g per four pack bundle\u003c\/li\u003e\n  \u003cli\u003eNet weight of paste: 30 g per pack, 4 packs in the set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Properties\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNo clean formulation minimizes cleanup after soldering\u003c\/li\u003e\n  \u003cli\u003eStrong viscosity supports smooth, controlled flow\u003c\/li\u003e\n  \u003cli\u003eBright welding point for clear joint visibility\u003c\/li\u003e\n  \u003cli\u003ePushing design favors smoother flowing and reduces waste during welding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Notes and Benefits\u003c\/h3\u003e\n\u003cp\u003eThe alloy composition paired with flux content is configured to enable stable wetting and reliable joints across a range of boards and components. The paste is suitable for reusable workflows where lead free, no clean options are preferred, helping production lines maintain efficiency and traceability without excessive post-processing steps.\u003c\/p\u003e\n\n\u003ch3\u003eApplications and Use Cases\u003c\/h3\u003e\n\u003cp\u003eWidely used for circuit boards, ICs, mobile phones, televisions, and other household appliances as well as industrial equipment. The combination of a moderate melting point and bright welds supports both routine assembly and repair tasks, providing a practical option for teams that value predictability in reflow soldering.\u003c\/p\u003e\n\n\u003ch3\u003eHow to Use (Guidance)\u003c\/h3\u003e\n\u003cp\u003eEnsure surfaces are clean and prepared for soldering. Apply the paste with appropriate tools, observe a controlled reflow process, and inspect joints for bright, uniform welds. The formulation is designed to deliver consistent results across multiple joints in a single session.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Wonderway\u003c\/h3\u003e\n\u003cp\u003eWonderway blends chemistry and manufacturing discipline to offer a lead free, no clean solder paste that supports reliable joint formation with less post-work cleanup. Consider this option for electronics assemblies where a balanced combination of temperature control, flow, and joint clarity matters, without promising guarantees.\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 melting point of Wonderway SN42\/Bi58 T4 solder paste?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The paste melts at 138°C for controlled reflow on many electronics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this paste lead-free and No Clean?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it is lead-free and No Clean, reducing flux residue while delivering bright welds.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"wonderway","offers":[{"title":"Default Title","offer_id":53134099775599,"sku":"B0D14KSQ48","price":39.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/wonderway-sn42-bi58-t4-solder-paste-bottle.jpg?v=1779357644","url":"https:\/\/taskholt.com\/products\/wonderway-sn42-bi58-t4-lead-free-solder-paste-no-clean-138-c-melting-point-30g-x4","provider":"TaskHolt","version":"1.0","type":"link"}