{"product_id":"yh-806-sn63pb37-leaded-solder-paste-35g-syringe","title":"Sn63Pb37 Leaded Solder Paste – 35g Syringe","description":"\u003cp\u003eYH-806 Sn63Pb37 solder paste contains 63% tin and 37% lead, providing excellent solder flow, reliable electrical connections and a low melting point of approximately 183°C. Its eutectic formulation makes it particularly useful for precision electronics soldering, PCB repairs and fine model railway wiring.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlloy: \u003cstrong\u003e63% tin \/ 37% lead\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePack: one 35g syringe\u003c\/li\u003e\n\u003cli\u003eTypical Sn63Pb37 melting point: approximately 183°C\u003c\/li\u003e\n\u003cli\u003eSuitable for appropriately equipped electronics repair and fine soldering applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhat does each metal do in Sn63Pb37 solder paste?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e- \u003c\/span\u003e\u003cspan\u003eTin (63%)\u003c\/span\u003e\u003cspan\u003e – The primary soldering metal, providing good electrical conductivity and forming a strong metallurgical bond with copper and other solderable surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e- \u003c\/span\u003e\u003cspan\u003eLead (37%)\u003c\/span\u003e\u003cspan\u003e – Improves solder flow and wetting, helping the molten solder spread evenly across connections. It also contributes to a lower melting temperature and makes solder joints easier to work with.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy is the 63\/37 combination useful?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSn63Pb37 is known as a \u003c\/span\u003e\u003cspan\u003eeutectic solder alloy\u003c\/span\u003e\u003cspan\u003e, meaning it melts and solidifies at a single temperature of approximately \u003c\/span\u003e\u003cspan\u003e183°C\u003c\/span\u003e\u003cspan\u003e, rather than across a temperature range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis provides several advantages for electronics work:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eGood s\u003c\/span\u003eolder flow and wetting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eReduced risk of disturbed or cold joints during cooling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eLower soldering temperatures than many lead-free alternatives.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eSuitable f\u003cspan\u003eor fine electronics work, including model railway DCC decoder installations and PCB repairs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Contains lead. Use appropriate ventilation, avoid inhaling fumes, wash hands after handling and keep away from children. Refer to the manufacturer's safety data sheet and instructions. Not for food-contact applications.\u003c\/p\u003e","brand":"HobbyTrax Australia","offers":[{"title":"35g syringe","offer_id":59748076945740,"sku":null,"price":9.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1001\/4428\/3980\/files\/hobbytrax-yh806-35g-approved.png?v=1793775249","url":"https:\/\/hobbytrax.com.au\/products\/yh-806-sn63pb37-leaded-solder-paste-35g-syringe","provider":"Hobby Trax Australia","version":"1.0","type":"link"}