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SRA Soldering Products

SRA Solder 135 Rosin Paste Soldering Flux For Electronics, No Clean Flux Made for Lead and Lead-Free Solder Circuit Boards and Copper Electrical Wire - Safe Clean Residues with No Goopy Mess (2oz Jar)

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Availability: In Stock.
Fulfilled by Amazon
Arrives Friday, Feb 6
Order within 13 minutes
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Color: Rosin Paste


Features

  • USA Quality Flux - Achieve the soldering results you desire with SRA 135. Our rosin paste flux is impurity free with superior solder flux paste wetting performance. Rosin flux soldering perfected.
  • No Goop Solder Flux - Semi-solid solder wax consistency gives you superior control over application. Simply dip copper electric wires or apply electronic rosin flux to PCB and watch the solder flow!
  • Electric Solder Flux - Unlike paste flux wax found at the hardware store, SRA 135 acid free electronics soldering flux is the safe and effective choice for electrical and electronic applications.
  • Flux Specifications - 135 is a type RA (Rosen Activated) Flux with an Active Temp. Range of 93 315C / 200 600F. This listing is for one 2oz (56.6g) jar of electrical flux paste.
  • Flux for soldering DIY electronics projects including Car Audio, Stereo & Hifi, Computers, RC Vehicles, Drones / FPV, Musical Instruments, Gaming Consoles, Model Railroad, Arduino / Raspberry Pi, etc.

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

Manufacturer: ‎SRA Soldering Products


Part Number: ‎135


Item Weight: ‎2 ounces


Item model number: ‎FLS135


Is Discontinued By Manufacturer: ‎No


Color: ‎Rosin Paste


Style: ‎Rosin Flux


Material: ‎lead


Item Package Quantity: ‎1


Cutting Diameter: ‎2.5 Inches


Included Components: ‎jar of flux


Batteries Included?: ‎No


Batteries Required?: ‎No


Assembled Diameter: ‎2.5 Inches


Date First Available: August 19, 2012


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Feb 6

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • great product
Color: Rosin Paste
These worked great! Will purchase again once I run out!
Reviewed in the United States on December 11, 2025 by MERKABA
    • Good flux, its a must for soldering.
Color: Rosin Paste
Works extremely well. Im fairly new to soldering and didnt realize how big the difference would be with and without flux.
Reviewed in the United States on November 26, 2025 by Den
    • Soldering with success
Color: Rosin Paste
Making all of your soldering projects easy and foolproof. Flux allows solder to flow evenly and smoothly. A must when working on electrical components.
Reviewed in the United States on November 9, 2025 by R.V.W.
    • Seems fine. Had other issues
Color: Rosin Paste
Seemed to work fine. But has issues with the quality of metal so couldn't get a good solder. But I don't think it was a fault of this solder.
Reviewed in the United States on August 3, 2025 by Jimmy
    • Good product
Color: Rosin Paste
its solder, what can I say it worked
Reviewed in the United States on December 10, 2025 by Shelby Rainey
    • Using sra solder 135 rosin paste soldering flux
Color: Rosin Paste
I'm new to soldering so I'm not sure if this is the best but it helped out tremendously. Would recommend it.
Reviewed in the United States on December 9, 2025 by justin biery
    • Works as it should.
Color: Rosin Paste
Worked good for me. Small light soldering on wire and electronics worked as it should. Give it a try. It's cheap enough. Try it, you'll like it.
Reviewed in the United States on October 10, 2025 by Mike
    • Solder flux
Color: Rosin Paste
Great to have, i use it when using solder slugs in battery cable endconnectors for a more secure and conductive connection.
Reviewed in the United States on December 21, 2025 by Amazon Customer

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