Flux | McMaster-Carr

	For Joining For Joining

	Form Form

Paste

Liquid

	Container Type Container Type

	Container Size Container Size

	Cleanup Method Cleanup Method

Water

No Clean

Flux Remover

	Specifications Met Specifications Met

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	For Use With For Use With

Beverage

Food

	Color Color

	White
	Black

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Tip Shape Tip Shape

Chisel

Needle Point

	Activation Activation

Mildly Activated

Fully Activated

Nonactivated

	Maximum Temperature Maximum Temperature

1600° F

1700° F

	Tip Diameter Tip Diameter

	For Bearing Housing Material For Bearing Housing Material

39 Products

Soldering Flux Paste for Plumbing

This flux meets NSF/ANSI Standard 61 for drinking water. Do not use it on magnesium or electronics.

For Joining	Container Size, fl. oz.	Form	Cleanup Method	Environment	Specifications Met		Each
Steel, Copper, Brass, Zinc	2	Paste	Water	Food Industry	MIL-F-4995 Type II; NSF/ANSI 61	0000000	00000
Steel, Copper, Brass, Zinc	4	Paste	Water	Food Industry	MIL-F-4995 Type II; NSF/ANSI 61	0000000	0000
Steel, Copper, Brass, Zinc	16	Paste	Water	Food Industry	MIL-F-4995 Type II; NSF/ANSI 61	0000000	00000

Soldering Flux Liquid for Plumbing

Use this flux for non-potable (nondrinking) water applications. Do not use it on magnesium or electronics.

For Joining	Container Size	Form	Cleanup Method		Each
Steel, Nickel Alloys, Copper, Brass, Zinc	1 gal.	Liquid	Water	0000000	000000
Steel, Nickel Alloys, Copper, Brass, Zinc	16 fl. oz.	Liquid	Water	0000000	00000
Steel, Nickel Alloys, Copper, Brass, Zinc	32 fl. oz.	Liquid	Water	0000000	00000

Nokorode Soldering Flux

Protect the solder joint from corrosion with this flux paste. Do not use it on magnesium or electronics.

For Joining	Container Size, fl. oz.	Form	Cleanup Method	Specifications Met		Each
Nickel Alloys, Copper, Zinc	1.69	Paste	Water	A-A-51145 Type IA; MIL-FS-6872; NSF/ANSI 61	000000	00000
Nickel Alloys, Copper, Zinc	16	Paste	Water	A-A-51145 Type IA; MIL-FS-6872; NSF/ANSI 61	000000	00000

Fast-Flushing Soldering Flux for Plumbing

This flux paste provides the fastest removal of flux from pipe lines. It meets NSF/ANSI 61 safety standards for use with drinking water systems. Do not use it on magnesium or electronics.

For Joining	Container Size, fl. oz.	Form	Cleanup Method	Specifications Met		Each
Steel, Copper, Brass, Zinc	4	Paste	Water	ASTM B813, NSF/ANSI 61	00000000	000000

Rubyfluid Soldering Flux

This flux causes solder to flow in a thin film to create strong joints with minimal solder use. Do not use it on magnesium or electronics.

For Joining	Container Size	Form	Cleanup Method		Each
Copper, Brass	16 fl. oz.	Liquid	Water	000000	00000
Copper, Brass	32 fl. oz.	Liquid	Water	000000	00000
Copper, Brass	1 gal.	Liquid	Water	000000	00000

Soldering Flux for Stainless Steel

Container Size, fl. oz.	Form	Cleanup Method	Specifications Met		Each
16	Liquid	Water	A-A-51145C Type IIB	000000	000000
32	Liquid	Water	A-A-51145C Type IIB	000000	00000

Soldering Flux for Aluminum

Container Size, fl. oz.	Form	Cleanup Method	Specifications Met		Each
4	Paste	Water	DOD 1866	000000	000000
16	Paste	Water	DOD 1866	000000	00000

Easy-Clean Soldering Flux for Electronics

Pen

Syringe

Bottle

The flux residue easily washes away with water. The flux cleans and prepares electrical assemblies and printed circuit boards for soldering. Product regulations restrict sales to the listed jurisdictions/areas.

	Container		Tip
For Joining	Size	Type	Shape	Diameter	Form	Cleanup Method	Specifications Met	Cannot Be Sold To		Each
Copper, Brass, Bronze	0.3 fl. oz.	Pen	Chisel	0.2"	Liquid	Water	IPC J-STD-004	Outside United States and Canada	0000000	00000
Nickel Alloys, Copper, Brass	0.3 fl. oz.	Pen	Chisel	0.157"	Liquid	Water	IPC J-STD-004	__	000000	0000
Nickel Alloys, Copper, Brass	0.3 fl. oz.	Syringe	Needle Point	0.031"	Paste	Water	IPC J-STD-004	__	000000	00000
Nickel Alloys, Copper, Brass	2 fl. oz.	Bottle	__	__	Liquid	Water	IPC J-STD-004	__	000000	0000
Nickel Alloys, Copper, Brass	4 fl. oz.	Bottle	__	__	Liquid	Water	IPC J-STD-004	__	000000	0000
Nickel Alloys, Copper, Brass	16 fl. oz.	Bottle	__	__	Liquid	Water	IPC J-STD-004	__	000000	00000
Nickel Alloys, Copper, Brass	32 fl. oz.	Bottle	__	__	Liquid	Water	IPC J-STD-004	__	000000	00000
Nickel Alloys, Copper, Brass	1 gal.	Bottle	__	__	Liquid	Water	IPC J-STD-004	__	000000	00000

No-Clean Soldering Flux for Electronics

This flux leaves minimal residue so there's no cleanup. It cleans and prepares electrical assemblies and printed circuit boards for soldering. Product regulations restrict sales to the listed jurisdictions/areas.

		Tip
For Joining	Container Size, fl. oz.	Shape	Diameter	Form	Cleanup Method	Specifications Met	Cannot Be Sold To		Each
Copper, Brass, Bronze	0.3	Chisel	0.2"	Liquid	No Clean	IPC J-STD-004	Outside United States and Canada	0000000	00000

Lead-Free No-Clean Soldering Flux for Electronics

		Tip
For Joining	Container Size, fl. oz.	Shape	Diameter	Form	Cleanup Method	Specifications Met	Cannot Be Sold To		Each
Copper, Brass, Bronze	0.3	Chisel	0.2"	Liquid	No Clean	IPC J-STD-004	Outside United States and Canada	0000000	000000

Mildly-Activated Rosin Soldering Flux for Electronics

Pen

Bottle

This flux has strong cleaning action and leaves residue that will not compromise the reliability of the joint. The residue requires flux remover. Flux cleans and prepares electrical assemblies and printed circuit boards for soldering.

	Container		Tip
For Joining	Size	Type	Shape	Diameter	Form	Cleanup Method	Specifications Met		Each
Copper	1/5 fl. oz.	Pen	Needle Point	0.013"	Liquid	Flux Remover	IPC J-STD-004	0000000	000000
Copper, Nickel Alloys, Brass, Bronze, Zinc	1 gal.	Bottle	__	__	Liquid	Flux Remover	IPC J-STD-004	0000000	00000

Fully-Activated Rosin Soldering Flux for Electronics

Providing the strongest cleaning power, this flux leaves residue that must be removed to ensure the reliability of the joint. The residue requires flux remover. Flux cleans and prepares electrical assemblies and printed circuit boards for soldering.

For Joining	Container Size, gal.	Form	Cleanup Method	Specifications Met		Each
Nickel Alloys, Copper, Brass, Bronze, Zinc	1	Liquid	Flux Remover	IPC J-STD-004	0000000	000000

Nonactivated Rosin Soldering Flux for Electronics

Bottle

Pen

This flux has less cleaning action, but leaves the least amount of residue. The residue requires flux remover. Flux cleans and prepares electrical assemblies and printed circuit boards for soldering. Product regulations restrict sales to the listed jurisdictions/areas.

	Container		Tip
For Joining	Size	Type	Shape	Diameter	Form	Cleanup Method	Specifications Met	Cannot Be Sold To		Each
Nickel Alloys, Copper, Brass, Bronze, Zinc	1 gal.	Bottle	__	__	Liquid	Flux Remover	IPC J-STD-004	__	0000000	000000
Copper, Brass, Bronze	0.3 fl. oz.	Pen	Chisel	0.2"	Liquid	Flux Remover	IPC J-STD-004	Outside United States and Canada	0000000	0000

Empty Needle-Point Pen Dispenser for Soldering Flux

Fill this dispenser with the flux of your choice to prepare electrical assemblies and printed circuit boards for soldering.

	Tip
Container Size, fl. oz.	Shape	Diameter		Each
1/5	Needle Point	0.013"	0000000	00000

No-Clean Soldering Flux for Low-Melting-Point Solders

Prepare workpieces for low-temperature lead-free soldering. This flux leaves minimal residue, so there’s no cleanup required. It doesn’t need to be used quickly; it can sit for hours without degrading.

	Container		Tip
For Joining	Size, fl. oz.	Type	Shape	Diameter	Form	Cleanup Method	Specifications Met		Each
Copper, Bismuth Alloys	0.8	Syringe	Needle Point	0.096"	Liquid	No Clean	IPC J-STD-004	0000000	000000
Copper, Indium, Indium Alloys	0.8	Syringe	Needle Point	0.096"	Liquid	No Clean	IPC J-STD-004	0000000	00000

Brazing Flux

Use this flux with silver brazing alloys to clean and prepare surfaces. Residue washes off with hot water. Do not use it with titanium.

1/2 lbs.
Max. Temperature, ° F	Color	Form	Cleanup Method	Specifications Met		Each
For Joining Brass, Bronze, Copper, Stainless Steel, Steel
1600°	White	Paste	Water	AWS A5.31-92, Type FB3A; Fed. Spec. O-F-499, Type B; SAE AMS3410	000000	00000
1 lbs.
For Joining Brass, Bronze, Copper, Stainless Steel, Steel
1600°	White	Paste	Water	AWS A5.31-92, Type FB3A; Fed. Spec. O-F-499, Type B; SAE AMS3410	000000	00000

Brazing Flux for Nickel Alloys and Carbide

Use this flux with silver brazing alloys to clean and prepare surfaces. It is boron modified and residue washes off with hot water. Do not use it with titanium.

1/2 lbs.
Max. Temperature, ° F	Color	Form	Cleanup Method	Specifications Met		Each
For Joining Carbide, Nickel Alloys
1700°	Black	Paste	Water	AWS A5.31-91, Type FB3C; Fed. Spec. O-F-499, Type B; SAE AMS3411	0000000	000000
1 lbs.
For Joining Carbide, Nickel Alloys
1700°	Black	Paste	Water	AWS A5.31-91, Type FB3C; Fed. Spec. O-F-499, Type B; SAE AMS3411	0000000	00000

Babbitt Paste for Casting Metals

An integral component of casting babbitt bearings, apply a thin coat of this paste to bronze, cast iron, and steel bearing housings before casting to prevent separation.

Material Composition
Lead	Tin	Zinc Chloride	Wt., lbs.		Each
40%	40%	10%	1	0000000	0000000