Top 10 Rosin Soldering Flux – Welding Equipment & Accessories

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1. SRA Soldering Products


SRA Soldering Products Rosin Paste Flux #135 In A 2 oz Jar

SRA Soldering Products #ad - Dimensions: 2. 5″ dia x 1″ h 64 x 25. 5 mm. The ideal flux for electrical and electronic repairs. Contains 2 ounce in a "Hockey puck" Jar. Active temperature range: 93 – 315°c/ 200 – 600°. Made in USA. Formulated for use with tin/lead and lead-free alloys. Does not need to be cleaned.
BrandSRA Soldering Products #ad
ManufacturerSRA Soldering Products #ad
Height3 Inches
Length3 Inches
Weight0.02 Pounds
Width1 Inches
Part Number135

2. Plusivo


Solder Wire and Rosin Paste Flux Kit, 60-40 Tin Lead Rosin Core Solder Wire 0.6mm, 50g and Rosin Paste Flux 50g for PCB Electrical Soldering and DIY from Plusivo

Plusivo #ad - Durable carton box: all items are neatly packed inside a durable carton box to keep them organized, secured, and easy to carry and transport anywhere. Rosin paste flux: this high-quality 50g rosin flux soldering paste facilitates the flow of solder, thus increasing the efficiency of the soldering process and is just right for your small DIY soldering projects.

Satisfaction guarantee: the solder wire and paste Kit is backed by the manufacturer’s 30-day money-back guarantee and lifetime customer support, ensuring the customers’ high level of satisfaction. Bonus items: aside from the solder wire and rosin paste, this kit also includes 2 mini screwdrivers and two 22 AWG Wire tinned copper PVC jacket, a great addition to a very simple and affordable kit for soldering.

Solder wire: included in the kit is a high quality 60-40 sn/pb tin - lead rosin core solder wire alloy with 06mm diameter and 1. 6% flux content commonly used for wiring appliances, DIY projects, 3D printers and other electronic projects or electrical and electronics soldering and repairs.
BrandPlusivo #ad
ManufacturerWider Wire & Cable Co., Limited #ad
Height2.56 Inches
Length2.56 Inches
Weight127 Grams
Width2.56 Inches

3. Delcast


Delcast Rosin Soldering Flux Paste 50G

Delcast #ad - Flux facilitates the flow of solder, providing for more controlled and accurate soldering • Solder will flow wherever flux is applied. Allows the solder to form strong, long lasting mechanical and electrical bonds. Increases efficiency and expedites the soldering process, taking less time to get the solder to flow where you need it. Prevents corrosion by forming a protective coating over the solder joint. Weight: 1oz.
BrandDelcast #ad
ManufacturerDelcast #ad
Height5 Inches
Length4 Inches
Width1 Inches
Part NumberFLX-50G



CAIG LABS RSF-R80-2 Rosin Flux Soldering 2094258 Paste Jar, 1.5", 56 g

CAIG LABS #ad - Non-spill consistency. Item package dimension: 4. 0" l x 2. 0" w x 1. 0" h. Can be removed with cloth or solvent. Permits soldering of even difficult metals such as brass or Nickel.
BrandCAIG LABS #ad
ManufacturerCAIG LABS #ad
Height8 Inches
Length4 Inches
Width2 Inches
Part Number2094258

5. Kester


Activated Rosin, Kester 1544 Liquid Soldering Flux, 2oz Bottle

Kester #ad - Compatible with Lead and Lead-Free Solders. Activated Rosin Formula. 2-ounce bottle. Kester 1544 liquid flux repackaged by CML Supply in this convenient dispensing bottle. Lead free - RoHS compliant.
BrandKester #ad
ManufacturerKester #ad



Caig Labs RSF-R80-8G Rosin Soldering Flux with Syringe Applicator

CAIG LABS #ad - Thermal stability enabling excellent wetting and reduced carbonization at soldering temperatures. Meets dod-std-2000 and also the ipc-j-004 standard for type ROL0, the lowest residue corrosively category. No-clean flux can be removed by wiping with a cloth or with cleaning solvent. Made in China.
BrandCAIG LABS #ad
ManufacturerCaig Labs/Deoxit #ad
Height7 Inches
Length7 Inches
Width5 Inches
Part NumberRSF-R80-8G

7. Romeda


2 Jar Solder Flux, Rosin Soldering Flux Paste for Lead-Free Electronics Soldering and Soldering DIY 1.2oz/35g in a Jar, Flux for Soldering

Romeda #ad - Strong applicability: flux is suitable for welding instruments, gold, iron and other metals. Non-corrosive: rosin is not conductive in dry conditions and has good insulation.

Oxidation resistance: anti-oxidation effect on soldering iron head of gold-copper alloy substrate. Is not corrosive to metal substances such as circuit boards. Enough quantity for your use. Solder flux for semi-solid, not easy to dump. A total of 70 g. What you get: rosin soldering flux paste * 2, our worry-free 30-days and our 7*24 friendly customer service for peace of mind. Ideal for electronic welding, copper, tin, repair and rework. Enought quantity: the package includes 2 jars of soldering flux.
BrandRomeda #ad
ManufacturerRomeda #ad
Part NumberLF



MIYAKO Rosin Soldering Flux Paste 50 grams 2 ounces

MIYAKO #ad - Formulated for use with tin/lead and lead-free alloys. Contains 2 ounce 50 gr in a "Hockey Puck". Smooth welding surface, rosin leaves a protective coating over soldered area. The ideal flux for electrical and electronic repairs. High quality Rosin soldering paste flux.
BrandMIYAKO #ad
ManufacturerMIYAKO USA #ad
Height2.5 Inches
Length2.5 Inches
Width1 Inches
Part NumberW-2

9. GP Electric


Natural Pine Soldering Rosin Colophony Flux in a 3.53oz/ 100g/ 120ml Jar Natural Pine Resin Soldering Flux 100g

GP Electric #ad - Instant wetting, long lasting mechanical and electrical bonds. Jar contains 3. 53oz/ 100g/ 120ml natural pine resin colophony.

Perfect as neutral flux for soldering, extremely increases efficiency of the soldering process. Facilitates the flow of solder: when heated, allows solder to form strong, it reduces surface tension and allows the solder to flow easily and uniformly into the joint. Absolutely perfect compatible for use with any tin/lead and lead-free alloys. Cleans and fluxes in one operation saving time and money. Superior fluxing ability for all electrical and electronic repairs.
BrandGP Electric #ad
ManufacturerTechnoPayka Ltd. #ad

10. Kester


RMA Rosin, 2-ounce Bottle, Kester 186 Liquid Soldering Flux

Kester #ad - High thermal stability for soldering multi-layer assemblies which require higher temperatures. 2-ounce Bottle. Improves soldering performance. High preheat temperatures does not degrade solubility of the residue in normal cleaning solvents. Eliminates the need and expense of cleaning.
BrandKester #ad
ManufacturerKester #ad
Part Number730-T186-2