The 10 best rosin soldering flux for 2019

Finding the best rosin soldering flux suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.

Best rosin soldering flux

Product	Features	Editor's score	Go to site
	MG Chemicals Liquid Rosin Flux, for Leaded and Lead Free Solder, 125 ml Bottle		Go to amazon.com
	Kester 186 Rosin Soldering Flux 2oz Bottle, RMA No Clean Lead Free		Go to amazon.com
	(0.6mm,100g) Lead-free Solder Wire Flux-core Solder Welding Wire Electrical Soldering with Rosin Core,Sn99 Cu0.7 Ag0.3 0.22 lbs		Go to amazon.com
	Rosin Paste Flux #135 in a 2 oz Jar		Go to amazon.com
	Rosin Soldering Flux Paste 50G		Go to amazon.com
	Whizzotech Solder Wire 60/40 Tin/Lead Sn60Pb40 with Flux Rosin Core for Electrical Soldering 100g/4oz Diameter 0.032 Inch		Go to amazon.com
	ETEPON 3-In-1 Soldering Tool Accessories with 170II Wire Flush Cutter Pliers, Rosin Solder Flux Paste, Welding Tip Cleaner (Pack of 3)		Go to amazon.com
	CAIG LABS RSF-R80-2 Rosin Flux Soldering Paste Jar, 56 g, 1.5"		Go to amazon.com
	Chipquik Tack Flux no clean in a 10cc syringe w/plunger & tip - SMD291		Go to amazon.com
	MG Chemicals RA Rosin Flux Paste, Amber, 50 g Jar		Go to amazon.com

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1. MG Chemicals Liquid Rosin Flux, for Leaded and Lead Free Solder, 125 ml Bottle

Feature

For leaded and lead-free solder
Fast wetting
Non-corrosive
Non-hygroscopic
RoHS compliant

Description

The 835 Rosin Flux contains a type RA rosin-activated flux composed of pure Water White (WW) grade gum rosin. It is a unique solvent system that contains very effective activators. The superior fluxing remains consistent throughout the entire aeration process. The 835 provides fast wetting action and complies with all requirements for type ROM1 flux per J-STD-004. Application: The rosin flux is designed for leaded and lead-free chemistries. Excellent for prototyping and rework/repair on printed circuit boards. Works well on chip carriers, heat sinks, surface mounted device pads, switches, and sockets.

2. Kester 186 Rosin Soldering Flux 2oz Bottle, RMA No Clean Lead Free

Feature

High thermal stability for soldering multi-layer assemblies which require higher temperatures
High preheat temperatures does not degrade solubility of the residue in normal cleaning solvents
Improves soldering performance
2-Ounce Bottle
Eliminates the need and expense of cleaning

Description

The Kester 186 Flux Pen is specifically designed for leaded and lead-free rework of conventional and surface mount circuit board assemblies. Kester186 under MIL-F-14256, was QPL approved as Type RMA.

3. (0.6mm,100g) Lead-free Solder Wire Flux-core Solder Welding Wire Electrical Soldering with Rosin Core,Sn99 Cu0.7 Ag0.3 0.22 lbs

Feature

Net Weight of Lead-free Solder: 100g (0.22lb) Diameter: 0.6 mm (0.0236 In)
Relative parameters: the diameter of the electrical no-lead soldering wire is 0.6 mm; SAC: Sn/ Ag/ Cu: 99%/ 0.3%/ 0.7%; Flux: 2%
The melting point of soldering iron wire is 215 - 220 degrees Celsius/ 419 - 428 degrees Fahrenheit;
Lead-free solder wire: lead-free solder wire with rosin flux core
Wide application: the rosin core leadless solder wire is designed for electrical repairs (radios, TVs, VCRs, stereos, wires, motors, circuit board, and so on).

Description

Lead Free Solder Wires are soldering materials for engineering, and electronic repairs.
Lead-free tin-silver-copper alloy for simple applications.

Tin-Silver-Copper (Sn-Ag-Cu, or "SAC") solders
based on the reduced melting point of the Sn-Ag-Cu ternary eutectic behavior (217 C),
which is below the 22/78 Sn-Ag (wt.%) eutectic of 221 C and the 59/41 Sn-Cu eutectic of 227 C

Rosin Flux
Rosin flux , used in electronics, where the corrosiveness of the vapors released when acid flux is heated would risk damaging delicate circuitry.
Flux is a reducing agent designed to help reduce metal oxides at the points of contact to improve the electrical connection and mechanical strength

Tin / Silver / Copper: 99% / 0.3% / 0.7%; Lead free
Flux: 2%
Weight: 100g (0.22lb)
Diameter: 0.6 mm
Melting point:215 C - 220 C (419F - 428F)
Package Included
1 Spool Solder Wire

4. Rosin Paste Flux #135 in a 2 oz Jar

Feature

The ideal flux for electrical and electronic repairs
Contains 2 ounce in a "hockey Puck" jar
Formulated for use with tin/lead and lead-free alloys

Description

This petroleum/rosin contains NO Zinc Chloride or Ammonium Chloride, making it a better choice for electronic repairs. Rosin leaves a protective coating over soldered area once job is finished

5. Rosin Soldering Flux Paste 50G

Feature

Cleans and prevents oxidation
Facilitates the flow of solder
Increases efficiency of the soldering process
Allows solder to form strong, long lasting mechanical and electrical bonds
Net Wt. 1.8 OZ / 50 G

Description

Rosin flux is used to facilitate soldering. It cleans and prevents metal oxidation which allows solder to create strong, long lasting mechanical and electrical bonds. It also acts as a wetting agent, increasing the flow of solder and the efficiency of the soldering process.

6. Whizzotech Solder Wire 60/40 Tin/Lead Sn60Pb40 with Flux Rosin Core for Electrical Soldering 100g/4oz Diameter 0.032 Inch

Feature

Alloy Content: Tin 60%-Pb 40% (Sn60Pb40), Flux 1.7%
Low Melting Point, 370. Weight, 4oz (100g). Diameter, 0.031 In (0.8 mm).
The Soldering Wire has antioxidant for a long time and good weldability, melts quick and clean, flows smooth.

7. ETEPON 3-In-1 Soldering Tool Accessories with 170II Wire Flush Cutter Pliers, Rosin Solder Flux Paste, Welding Tip Cleaner (Pack of 3)

Feature

170II FLUSH CUTTER -- This diagonal pliers is in compact & ergonomically sized, non-slip, easy to control, can cut soft copper wire up to 1.6 mm and solder wire up to 0.8mm. It cuts fine with a clean and reverse angled cutting surface. Used for electronics industry repairs, jewelry processing, model making and fishing.
ROSIN SOLDER FLUX PASTE -- The soldering paste has no poison & no corrosion, good insulation to prevent metal oxidation, not easy to dry, allow solder to create strong & long-lasting mechanical and electronic bonds. Used to facilitate soldering to increases efficiency.
WIRE-TYPE SOLDERING IRON TIP CLEANER & HOLDER -- This solder tip cleaning ball cleans better than conventional sponges. It will not reduce the tip temperature or cause premature wear of soldering iron tips. No water required. No contamination risk.
3-IN-1 SOLDER ASSIST KIT WORTH TO OWN -- These soldering iron assists tools are the most popular instruments in maintenance. They are necessary & perfect companion for your DIY projects & electronic repairing works.
WIDE RANGE OF USES -- This soldering iron kit is suitable for welding circuit board, phone mother board, watches, appliance repair, home DIY hobbyists, jewelry welding. It will make your soldering & desoldering work easier.

Description

ETEPON 3-in-1 Soldering iron accessory kit is suitable for welding circuit board, phone mother board, watches, appliance repair, home DIY hobbyists, jewelry welding.
These soldering tools will make your work easier.

Features

Micro-shear wire flush cutter 170II
Dimensions are 5 x 1.85 x .50 inches (H x W x D) and the flush cutter weighs 2.05 oz. (H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.)
Capacity: 20 AWG. Can cut soft copper wire up to 1.6 mm & solder wire up to 0.8mm
Has Rockwell Hardness 54-56C for strength
Cuts clean
Return spring requires minimal hand movement
Ergonomically sized and shaped to fit comfortably in the hand
Can be used to trim copper, brass, iron, aluminum, and steel wires, and are commonly used in precision electronics and jewelry applications

Rosin solder flux paste
Dimensions 4 x 1 x 5 inches
Net Wt. 1.8 OZ / 50 G
Joint high intensity
No Poison No Corrosion
Good immersion
Good insulation to prevent metal oxidation
Not easy to dry
Used to facilitate soldering to increases efficiency of the soldering process

Wire-type welding tip cleaning ball and holder
Cleans better than conventional sponges
No water required
Will not reduce the tip temperature
Does not cause premature wear of soldering iron tips
No contamination risk compared to conventional tip tinners

Soldering Assist Kit Packing Lists
1 x Micro-shear wire flush cutter 170II
1 x Rosin solder flux paste 50g ( 1.8OZ )
1 x Wire-type welding tip cleaning ball and holder

8. CAIG LABS RSF-R80-2 Rosin Flux Soldering Paste Jar, 56 g, 1.5"

Feature

Permits soldering of even difficult metals such as brass or Nickel
Can be removed with cloth or solvent
Non-spill consistency

Description

Dioxin Rosin flux soldering paste Rosin flux helps solder to flow more smoothly creating a better contact and making a better joint. Features: permits soldering of even difficult metals such as Brass or nickel can be removed with cloth or solvent non-spill consistency nonflammable non-corrosive 2 oz.

9. Chipquik Tack Flux no clean in a 10cc syringe w/plunger & tip - SMD291

Feature

Remove QFDs, PLCCs, SOICs and chip components without costly equipment
Use with existing rework equipment or temp controlled soldering irons
Special removal alloy has excellent wetting ability
Low melting temperature
Safe, affordable, easy and won't damage sensitive components

Description

Remove QFDs, PLCCs, SOICs and chip components without costly and complex equipment. Use ChipQuik with your existing rework equipment or temperature controlled soldering irons. Special removal alloy has excellent wetting ability with a low melting temperature of 136F (58C). To use: apply paste flux to all leads with syringe; melt ChipQuik alloy on all pins of SMD; with wide iron tip; maintain alloy in a molten state long enough to release chip; lift chip from board with pick-up tool. Safe, affordable, easy and won't damage sensitive components. NoClean Paste Flux; 10cc syringe with tip.

10. MG Chemicals RA Rosin Flux Paste, Amber, 50 g Jar

Feature

Excellent wettability
High tack force
Long tack time
Perfect flux for electronic repairs
Rohs compliant

Description

The 8342 RA rosin flux paste is superior electronic grade flux paste system. It is designed for lead-free alloys, but it works well with conventional leaded solders as well. Also, water removal of post soldering residues is much easier due to the organic acid base of the flux. Used for solder touch up, repair, or rework surface mount assemblies via brushing or dispensing.

Conclusion

By our suggestions above, we hope that you can found the best rosin soldering flux for you. Please don't forget to share your experience by comment in this post. Thank you!