{"product_id":"lawton-soldering-flux-paste-453g-16oz-with-brush-sol-flf453","title":"Lawton Soldering Flux Paste 453g (16oz) with Brush — SOL-FLF453","description":"\u003cp\u003eLawton non-corrosive soft solder flux paste for soldering copper to tin alloys in plumbing, HVAC, and refrigeration installations. Water-soluble, halogen-containing formulation compliant with EN-ISO 9454 (2.1.2.C). Brush in cap for easy, controlled application. WRAS approved for use on potable water systems. 453g (16oz) trade pot for high-volume and commercial use.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNon-corrosive — safe on copper, brass, and solder alloys\u003c\/li\u003e\n\u003cli\u003eBrush in cap for precise, mess-free application\u003c\/li\u003e\n\u003cli\u003eWRAS approved — suitable for drinking water installations\u003c\/li\u003e\n\u003cli\u003eComplies with EN-ISO 9454 (2.1.2.C)\u003c\/li\u003e\n\u003cli\u003eWater-soluble — residue cleans off with damp cloth\u003c\/li\u003e\n\u003cli\u003eActive up to 300°C, stable emulsion up to 65°C\u003c\/li\u003e\n\u003cli\u003e453g (16oz) trade pot — ideal for commercial and high-volume installations\u003c\/li\u003e\n\u003cli\u003eCompatible with lead-free and leaded solder wire\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow to Use Soldering Flux on Copper Fittings\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut and deburr\u003c\/strong\u003e — cut the copper pipe cleanly and remove the internal burr with a reamer or deburring tool.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the pipe and fitting\u003c\/strong\u003e — use wire wool or emery cloth to clean the outside of the pipe end and the inside of the fitting socket until bright.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApply flux\u003c\/strong\u003e — use the brush in the cap to apply a thin, even coat of flux paste to both the pipe end and the inside of the fitting socket. Flux prevents oxidation during heating and helps the solder flow into the joint by capillary action.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssemble and heat\u003c\/strong\u003e — push the fitting onto the pipe and apply heat evenly around the fitting with a blowtorch until the flux begins to bubble and the copper reaches soldering temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApply solder\u003c\/strong\u003e — touch the solder wire to the joint (not the flame). When the temperature is correct, the solder will be drawn into the joint. Apply until a complete ring of solder is visible around the fitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllow to cool\u003c\/strong\u003e — do not disturb the joint while cooling. Wipe away excess flux residue with a damp cloth once cool.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eUse with Lawton ECO 1 lead-free solder wire (SOL-LF3.0) for potable water and HVAC applications, or Lawton leaded solder wire (SOL-L3.0) for non-potable refrigeration and industrial pipework.\u003c\/p\u003e\u003ch2\u003eTechnical Specification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard: EN-ISO 9454 (2.1.2.C)\u003c\/li\u003e\n\u003cli\u003ePhysical state: Paste\u003c\/li\u003e\n\u003cli\u003eColour: Yellowish\u003c\/li\u003e\n\u003cli\u003epH: 6–7\u003c\/li\u003e\n\u003cli\u003eDensity: 1.10 g\/cc\u003c\/li\u003e\n\u003cli\u003eFreezing point: −10°C\u003c\/li\u003e\n\u003cli\u003eBoiling point (liquid part): 110°C\u003c\/li\u003e\n\u003cli\u003eIgnition point: \u0026gt;200°C\u003c\/li\u003e\n\u003cli\u003eActive temperature: up to 300°C\u003c\/li\u003e\n\u003cli\u003eWater solubility: Total\u003c\/li\u003e\n\u003cli\u003eOdour: None\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSafety\u003c\/h2\u003e\u003cp\u003eNon-hazardous in normal use. Avoid prolonged skin contact — use the applicator brush. Use a face mask in small, poorly ventilated spaces during extended use. Safety goggles recommended to avoid splashing. In case of eye contact, rinse with clean water for 15 minutes. Full safety data available on request.\u003c\/p\u003e","brand":"Lawton Tubes","offers":[{"title":"Default Title","offer_id":57269660221817,"sku":"SOL-FLF453","price":6.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/130131b5-f6ce-47ff-863d-9235905f7233.jpg?v=1778734222","url":"https:\/\/www.airconspares.com\/products\/lawton-soldering-flux-paste-453g-16oz-with-brush-sol-flf453","provider":"Airconspares.com","version":"1.0","type":"link"}