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CAIG LABORATORIES Rosin Soldering Flux (Electrical), Syringe, 8 Grams, Pack of 1

4.4 out of 5 stars (22)

Currently unavailable.
We don't know when or if this item will be back in stock.
  • For electrical and electronic soldering applications
  • Thermal stability enabling excellent wetting and reduced carbonization at soldering temperatures.
  • Activity closely approaches that of fully activated rosins.
  • Conforms to all of the requirements of Type RMA.
  • Made in USA

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 7 x 5 x 7 inches; 2.24 ounces
  • Item model number ‏ : ‎ RSF-R80-8G
  • Date First Available ‏ : ‎ May 9, 2014
  • Manufacturer ‏ : ‎ Caig Labs/Deoxit
  • ASIN ‏ : ‎ B0171ZWWRA
  • Best Sellers Rank: #448,144 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Customer Reviews:
    4.4 out of 5 stars (22)

Product description

RSF-R80-8

CAIG Rosin Soldering Flux, Type RSF-R80. Made in U.S.A.

For electrical and electronic soldering

RSF Rosin Flux is a mildly-activated rosin flux that is considerably more active than water-white rosin. Although its activity closely approaches that of fully activated rosins, it still conforms to all of the requirements of Type RMA (Rosin Core, Mildly Activated) of Federal Speciation QQ-S-571. The RSF paste ux meets DOD-STD-2000 & also the IPC-J-004 standard for type ROL0 , the lowest residue corrosivity category. Thermal stability enabling excellent wetting and reduced carbonization at soldering temperatures. The active ingredients in RSF-R80 are non-ionic and non-conductive even in the presence of moisture. Like rosin, it becomes active only at elevated temperatures, reverting to an inactive state at room temperature. It is recommended for all applications where post-soldering cleaning is not feasible, and the residue must be highly insulating. RSF-R80 Rosin Flux is MADE IN USA.

Key Benefits

  • For electrical and electronic soldering applications.
  • Thermal stability enabling excellent wetting and reduced carbonization at soldering temperatures.
  • Activity closely approaches that of fully activated rosins.
  • Conforms to all of the requirements of Type RMA.
  • SEE IMAGES FOR SPECS
RSF-R80-8G
RSF-R80-2
RSF-R80-8
RSF-R39-2
RSF-R39-8G
RSF-R39-8
Customer Reviews
4.4 out of 5 stars 22
4.7 out of 5 stars 281
4.8 out of 5 stars 10
3.5 out of 5 stars 3
4.5 out of 5 stars 6
3.0 out of 5 stars 1
FLUX Product RSF-R80-8G RSF-R80-2 RSF-R80-8 RSF-R39-2 RSF-R39-8G RSF-R39-8
For Mechanical or Electrical Electrical Electrical Electrical Electrical Electrical Electrical
Applicator Syringe, 8 grams Jar, 56 grams Jar, 226 grams Jar, 56 grams Syringe, 8 grams Jar, 226 grams
Clean after soldering required Yes Yes Yes No No No
Specs available (see images) Yes Yes Yes Yes Yes Yes
Recommended Shelf Life 12 months 12 months 12 months 12 months 12 months 12 months
Made in USA (No hazardous ingredients) Yes Yes Yes Yes Yes Yes

CAIG RSF-R80-8G Product Specifications

Manufacturer CAIG Laboratories, Inc.
Brand Name CAIG RSF-R80 FLUX
MFG. Part Number RSF-R80-8G
Container Size 8 grams
UPC 697429014093
Color Amber
Applications Electrical components and parts
Conforms to RMA and other req Yes
Consistency Smooth tacky paste
Corrosive/Flammable? No
Dimensions 3.5 x 6.5 x 1.0 inches
Weight 2 ounces

Customer reviews

4.4 out of 5 stars
22 global ratings

Top reviews from the United States

  • Reviewed in the United States on July 17, 2025
    It may be a little too liquid, but if you keep it in the fridge, it will thicken up if that's better for your needs and situation.
  • Reviewed in the United States on April 25, 2023
    I'm a little new to soldering, but this flux was night and day better than the last stuff I tried. It def seemed to help the solder flow and stick. I truthfully think at this point it's my soldering iron
  • Reviewed in the United States on December 28, 2023
    The plunger needs to be pushed hard to snap into place. Once it is snapped in you can pull back on it to relieve pressure.
  • Reviewed in the United States on March 20, 2018
    The flux works well, but the push stick for the plunger won't stay in the tube. Normally when you stop pushing down on the plunger you want to pull back a little to stop the flow...since the stick won't stay in place it tends to make a mess as the flow continues until you can get the snap on cap over the end. Since the stick won't stay in...it was a bit trick using it until I figured out how to just push some out on a scrap of plastic and then use a tooth pick to apply to the PCB.
    6 people found this helpful
    Report
  • Reviewed in the United States on May 24, 2023
    Dispenser always gives to much, causes waste

Product Summary: CAIG LABORATORIES Rosin Soldering Flux (Electrical), Syringe, 8 Grams, Pack of 1

From CAIG LABORATORIES

4.4 out of 5 stars, 22 ratings

Customer reviews

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About this Item

  • For electrical and electronic soldering applications
  • Thermal stability enabling excellent wetting and reduced carbonization at soldering temperatures.
  • Activity closely approaches that of fully activated rosins.
  • Conforms to all of the requirements of Type RMA.
  • Made in USA

Product Description

Rosin Soldering Flux with Syringe Applicator Recommended for electrical and electronic soldering applications. Features Thermal stability enabling excellent wetting and reduced carbonization at soldering temperatures No-Clean flux can be removed by wiping with a cloth or with cleaning solvent Meets DOD-STD-2000 and also the IPC-J-004 standard for type ROL0, the lowest residue corrosivity category Simple non-spill syringe applicator Non-flammable Non-corrosive Net weight: 8 grams . Made in China.

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