{"product_id":"hmt-l028-aluminum-welding-flux","title":"HMT-L028 Aluminum Welding Flux 10ml","description":"\u003ch2\u003eHMT-L028 Aluminum Welding Flux – Clean, Strong Joints on Aluminum\u003c\/h2\u003e\u003cp\u003eAluminum is one of the hardest common metals to solder. Its surface forms an oxide film almost instantly, which blocks wetting and leaves you with weak, blobby joints. HMT-L028 Aluminum Welding Flux breaks down that oxide layer as you work, so the filler flows into the joint smoothly and bonds tightly to the base metal. Whether you are repairing a radiator, sealing an aluminum pipe, or fabricating thin aluminum parts, this flux helps you get a clean, professional result.\u003c\/p\u003e\u003ch3\u003eWhy You'll Reach for It on Every Aluminum Job\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaks through the oxide layer\u003c\/strong\u003e – actively removes and shields against aluminum's stubborn surface oxide, the number one cause of failed aluminum solder joints\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent wetting action\u003c\/strong\u003e – molten filler spreads and flows into the joint instead of balling up, for tight, gap-filling bonds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStronger, cleaner joints\u003c\/strong\u003e – proper fluxing means less porosity and better adhesion between filler and base metal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile on common aluminum work\u003c\/strong\u003e – well suited to radiators, condensers, pipes, tanks, window frames, castings, and thin aluminum sheet repairs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy removal\u003c\/strong\u003e – flux residue cleans away with water after the joint cools, leaving a tidy finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eClean the joint area thoroughly to remove oil, dirt, and old oxidation.\u003c\/li\u003e\n\u003cli\u003eApply an even coat of HMT-L028 flux to the surfaces to be joined.\u003c\/li\u003e\n\u003cli\u003eHeat the workpiece evenly with your torch or soldering iron until the flux becomes active.\u003c\/li\u003e\n\u003cli\u003eFeed the filler rod into the joint – it should flow freely and wet the aluminum.\u003c\/li\u003e\n\u003cli\u003eAllow the joint to cool, then rinse off the flux residue with water and dry.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HMT-L028\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Aluminum welding\/soldering flux\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e aluminum radiators, pipes, tanks, castings, sheet metal, and general aluminum brazing and soldering work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWho It's For\u003c\/h3\u003e\u003cp\u003eAn essential consumable for auto radiator repair shops, air conditioning and refrigeration technicians, metal fabricators, and DIY repairers. Keep a container at the bench so you are always ready for aluminum jobs that ordinary flux simply cannot handle.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eTip: work with a clean surface and even heating – most weak aluminum joints come from skipped cleaning or overheated flux, not the filler itself.\u003c\/em\u003e\u003c\/p\u003e","brand":"hmttools","offers":[{"title":"Default Title","offer_id":46467120529465,"sku":"302028-01","price":4.8,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/3915\/3465\/files\/1_14b67694-e128-4b7d-b877-8ce4baf03b41.png?v=1789033576","url":"https:\/\/hmttools.net\/en\/products\/hmt-l028-aluminum-welding-flux","provider":"hmttools","version":"1.0","type":"link"}