Aluminum Soldering Flux

Superior Flux offers the widest range of aluminum soldering fluxes on the market, including soldering Aluminum-to-Aluminum, Aluminum-to-Copper, Aluminum-to-Brass and Aluminum-to-plated terminals.

Superior Flux's Aluminum Solder Paste eliminates the plating process in heat sink fabrication. Our unique Aluminum Core Wire offers a single source solution for soldering aluminum.

Superior Flux Number	Description	Rec. Base Metals	Rec. Solders	Rec. Temp Ranges	MSDS	Spec. Sheet
No. 1260	Honey Consistency Soldering Flux	Aluminum to: Aluminum, Copper and Brass	Tin-Zinc: 91Sn/9Zn, 80Sn/20Zn 70Sn/30Zn, Tin-based alloys	177-288°C 350-550°F
No. 1261	Aluminum Soldering Flux - Liquid	Aluminum to: Aluminum, Copper and Brass	Tin-Zinc: 91Sn/9Zn, 80Sn/20Zn 70Sn/30Zn, Tin-based alloys	177-288°C 350-550°F
No. 1265	Aluminum Soldering Flux - Paste	Aluminum to: Aluminum, Copper and Brass	Tin-Zinc: 91Sn/9Zn, 80Sn/20Zn 70Sn/30Zn, Tin-based alloys	177-288°C 350-550°F
No. 1280	High-Temp Solder Flux	Aluminum to: Aluminum, Copper and Brass	Zinc-Aluminum: 98Zn/2Al, 95Zn/5Al	345-425°C 650-800°F
ASP	Aluminum Solder Paste	Aluminum to: Aluminum, Copper and Brass	99.3Sn/0.7Cu; SN100C; 96.5Sn/3.5Ag; low temp alloys for heat sinks.	Dependent upon alloy
ACW	Aluminum Cored Wire	Aluminum to: Aluminum, Copper and Brass	Available in 99.3Sn/0.7Cu; 96.5Sn/3.5Ag; SN100C.	Dependent upon alloy

All aluminum soldering fluxes, pastes and wire are RoHS compliant.

Please review the following papers on aluminum soldering:

Direct Aluminum Solder Paste (IMAP Thermal Management Workshop - Palo Alto, CA, 2011)

Soldering Aluminum (SME International Brazing & Soldering Conference - Orlando, FL, 2009)

Please see the Video Links for aluminum soldering applications.

Superior No. 1260 is a General Purpose aluminum soldering flux that has a honey-like consistency and color. It is high activity, organic based and chloride-free. Formulated for soldering Aluminum-to-Aluminum; Aluminum-to-Copper; Aluminum-to-Brass; and Aluminum-to-plated terminals. Post-solder residues are water-soluble and should be cleaned post soldering.

Superior No. 1261 Aluminum Tinning Flux offers the effectiveness of No. 1260 in a liquid form. It is ideal for tinning and soldering of aluminum wires and cable connectors. Post-solder residues are water-soluble and should be cleaned post soldering.

Superior No. 1265 Aluminum Paste Flux was formulated for applications where the adhesiveness of a paste form is required. APF-1265 can be precision dispensed and spread. Once applied, the Aluminum Paste Flux will adhere to the desired location without spreading or dripping. Post-solder residues are water-soluble and should be cleaned post soldering.

Superior No. 1280 is a viscous high temperature aluminum soldering flux formulated for Zinc-Aluminum solder alloys and can be used in torch soldering applications. Post-solder residues are water-soluble and should be cleaned post soldering.

Superior ASP Aluminum Solder Paste combines aluminum flux and a solder powder to create an all-in-one aluminum soldering solution. Available alloys include 99.3Sn/0.7Cu, 96.5Ag/0.7Cu, SAC-305 and SN100C. In addition, Superior Flux offers the Superior ASP blended with a proprietary solder alloy that is specifically formulated for the direct soldering of heat sinks. It solders at temperatures under 200°C, thus protecting copper piping built into the heat sink. Most importantly, Superior ASP-1270 allows for direct Aluminum-to-Aluminum or Aluminum-to-Copper soldering in heat sink fabrication, thus negating the need for plating in heat sink applications. Eliminating plating not only translates into greatly reduced costs, but eliminates the associated hazardous chemicals from the work environment. Post-solder residues are water-soluble and should be cleaned post soldering.

Superior ACW Aluminum Core Wire eliminates the need to use an aluminum flux and wire separately. Aluminum Core Wire is available in 99.3Sn/0.7Cu, 96.5Sn/3.5Ag and SN100C. Superior ACW employs a specialty Aluminum Core Flux created by Superior Flux that cuts through the tenacious oxides that are always present on aluminum surfaces. Post-solder residues are water-soluble and should be cleaned post soldering.

Superior ACF is formulated for solder wire manufacturers. It typically comprises 2.7 – 3.3% of the solder wire composition. This specialty core flux cuts through the tenacious oxides present on aluminum alloy services and promotes the spread of the solder alloy on aluminum surfaces. Post solder residues from Aluminum Core Flux are water-soluble and should be cleaned post soldering.

(+1) 440.349.3000

info@superiorflux.com

Aluminum Soldering Flux

All aluminum soldering fluxes, pastes and wire are RoHS compliant.

See our Aluminum Brazing Flux, as well as our full line of Industrial Solder Flux and Electronics Solder Flux.