Liquid Aluminum & Stainless Steel Soldering Flux (10ml)

Achieve strong, instant solder bonds on hard-to-weld metals with this high-activity liquid soldering flux. Specially formulated for challenging surfaces, this specialized 18650 battery flux breaks through tough oxide layers on aluminum, stainless steel, nickel, and copper without requiring aggressive grinding. Whether you are assembling battery packs, repairing metal electronics, or joining copper wiring, this no-clean liquid flux ensures smooth solder wetting and excellent capillary flow for rock-solid connections.

Key Features

• Fast-acting chemical formulation instantly strips oxide layers from aluminum and stainless steel

• No-water cleaning formula leaves minimal non-corrosive residue, eliminating tedious post-solder washing

• Precision dropper bottle allows targeted application directly to tiny solder pads and battery tabs

• Excellent thermal transfer promotes rapid solder spread with standard leaded or lead-free solder wire

Why Choose Our Liquid Aluminum & Stainless Steel Soldering Flux (10ml) Standard rosin fluxes fail to adhere to non-ferrous metals like aluminum or stainless steel because surface oxidation blocks the molten solder from tinning. This high-potency liquid soldering flux penetrates those stubborn oxide barriers in seconds, allowing solder to flow effortlessly across 18650 battery nickel strips and stainless pads. It eliminates the need for high-heat spot welders while protecting delicate electronic components from heat stress.

Perfect For

• Soldering nickel tabs directly onto 18650, 21700, and lithium-ion battery cells

• Joining hard-to-solder metals including aluminum, stainless steel, galvanized sheet, and copper

• Small electronics repair, printed circuit board (PCB) rework, and custom wire splicing

Product Specs

• Volume: 10ml (0.34 fl oz) Bottle

• Container Type: Precision Dropper Squeeze Bottle

• Compatible Metals: Aluminum, Stainless Steel, Nickel, Galvanized Iron, Copper, Brass

• Cleaning Requirement: No-Clean / Low Residue