{"product_id":"lead-free-solder-alloys","title":"Lead-free solders","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e We recommend \u003cstrong\u003esoldering\u003c\/strong\u003e \u003cspan\u003eas an alternative to tin-lead alloys. These alloys exhibit weaker wetting and higher surface tension. Their melting point is also higher, which translates to greater thermal stress.\u003c\/span\u003e\u003cbr\u003e \u003cstrong\u003eOur answer\u003c\/strong\u003e \u003cspan\u003eis to add silver (Ag) and copper (Cu) to the tin (Sn). This improves wetting and, consequently, conductivity at the soldering point.\u003c\/span\u003e\u003cbr\u003e \u003cstrong\u003eComposition (up to several% of alloying elements):\u003c\/strong\u003e\u003cbr\u003e \u003cspan\u003eSn-Cu-Ag\u003c\/span\u003e\u003cbr\u003e \u003cspan\u003eSn-Ag\u003c\/span\u003e\u003cbr\u003e \u003cspan\u003eSn-Cu\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan\u003e \u003cmeta charset=\"utf-8\"\u003e\n\u003cstrong\u003ePurpose of the above:\u003c\/strong\u003e precision soldering in electronics.\u003cbr\u003e \u003cstrong\u003eSn-Zn\u003c\/strong\u003e – a specialized alloy for soldering zinc and aluminum.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e We produce alloys in two forms:\u003cbr\u003e\u003cbr\u003e - \u003cstrong\u003eCast rods\u003c\/strong\u003e (Sold by the kilogram in the online store)\u003cbr\u003e - \u003cstrong\u003eGeese\u003c\/strong\u003e (Product made to order, please contact the sales department for prices)\u003c\/p\u003e\n\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cb\u003eThis product is sold by the kilogram. Actual weight may vary slightly (tolerance ±0.01 kg).\u003c\/b\u003e\u003c\/p\u003e","brand":"JS METALS","offers":[{"title":"Default Title","offer_id":56194083258703,"sku":"33257481146427","price":0.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0956\/7037\/0639\/files\/prety-odlewane-1-2.webp?v=1765529405","url":"https:\/\/shop.jsmetals.eu\/products\/lead-free-solder-alloys","provider":"JSMETALS","version":"1.0","type":"link"}