Activated Rosins Flux

Kester Activated Rosins Flux has been developed for fluxing applications where non-activated and mildly activated rosin fluxes are too inactive to remove metal oxides. This flux is ideal where proper and complete residue removal of potentially corrosive water-soluble organic acid flux is not possible, and where soldering of electronic assemblies requires instant wetting and excellent capillary flow. This cored solder version of the popular 2331-ZX Neutral Organic Water Soluble Liquid Flux is more effective than rosin fluxes in soldering difficult metals. The same fast action and mild properties are exhibited with 331 organic Flux as with the liquid 2331-ZX. The flux is more heat stable than most organic fluxes, resulting in minimal smoke and odor. The residue can be completely removed with a simple water rinse.

Results: 16
Select Image Part # Mfr. Description Datasheet Availability Pricing (RON) Filter the results in the table by unit price based on your quantity. Qty. RoHS Product Type Alloy Diameter Core Size Package Type Size
Kester Solder LEAD FREE .031 DIA 1LB SPOOL 394In Stock
Min.: 1
Mult.: 1

Solder Wire Lead Free, Rosin Core Sn96.5/Ag03/Cu0.5 0.031 in 66 Spool 1 lb
Kester Solder .031 DIA COR SIZE 58 NO CLEAN 21AWG 1LB 255In Stock
Min.: 1
Mult.: 1

Solder Wire Lead Free, No Clean Rosin Core Sn96.5/Ag03/Cu0.5 0.031 in 58 Spool 1 lb
Kester Solder .020 DIA 1LB SPOOL NO CLEAN 25AWG 240In Stock
Min.: 1
Mult.: 1

Solder Wire Lead Free, No Clean Rosin Core Sn96.5/Ag03/Cu0.5 0.02 in 58 Spool 1 lb
Kester Solder NO CLEAN FLUX 1LB .062 DIAMETER 137In Stock
Min.: 1
Mult.: 1

Solder Wire Lead Free, No Clean Rosin Core Sn96.5/Ag03/Cu0.5 0.062 in 58 Spool 1 lb
Kester Solder NO CLEAN FLUX 1LB .025 DIAMETER 103In Stock
Min.: 1
Mult.: 1

Solder Wire Lead Free, No Clean Rosin Core Sn96.5/Ag03/Cu0.5 0.025 in 58 Spool 1 lb
Kester Solder LEAD FREE .02 DIA 1LB SPOOL 73In Stock
Min.: 1
Mult.: 1

Solder Wire Lead Free, Water Soluble Rosin Core Sn96.5/Ag03/Cu0.5 0.02 in 66 Spool 1 lb
Kester Solder LEAD FREE .031 DIA 1LB SPOOL 114In Stock
Min.: 1
Mult.: 1

Solder Wire Lead Free, Water Soluble Rosin Core Sn96.5/Ag03/Cu0.5 0.031 in 66 Spool 1 lb
Kester Solder ACTIVATED ROSN FLUX 1LB .020 DIAMETER 24In Stock
200Expected 3/23/2026
Min.: 1
Mult.: 1

Solder Wire Lead Free, Rosin Core Sn96.5/Ag03/Cu0.5 0.02 in 66 Spool 1 lb
Kester Solder ACTIVATED ROSN FLUX 1LB .062 DIAMETER Non-Stocked Lead-Time 4 Weeks
Min.: 200
Mult.: 200

Solder Wire Lead Free, Rosin Core Sn96.5/Ag03/Cu0.5 0.062 in 66 Spool 1 lb
Kester Solder ACTIVATED ROSN FLUX 1LB .025 DIAMETER Non-Stocked Lead-Time 6 Weeks
Min.: 200
Mult.: 200

Solder Wire Lead Free, Rosin Core Sn96.5/Ag03/Cu0.5 0.025 in 66 Spool 1 lb
Kester Solder WATER SOLUBLE FLUX 1LB .025 DIAMETER Non-Stocked Lead-Time 6 Weeks
Min.: 200
Mult.: 200

Solder Wire Lead Free, No Clean, Water Soluble Rosin Core Sn96.5/Ag03/Cu0.5 0.025 in 66 Spool 1 lb
Kester Solder .031 DIA COR SIZE 50 NO CLEAN 21AWG 1LB Non-Stocked Lead-Time 6 Weeks
Min.: 200
Mult.: 200

Solder Wire Lead Free, No Clean Rosin Core Sn96.5/Ag03/Cu0.5 0.031 in 50 Spool 1 lb
Kester Solder NO CLEAN FLUX 1LB .050 DIAMETER Non-Stocked Lead-Time 6 Weeks
Min.: 200
Mult.: 200

Solder Wire Lead Free, No Clean Rosin Core Sn96.5/Ag03/Cu0.5 0.05 in 58 Spool 1 lb
Kester Solder ACTIVATED ROSN FLUX 1LB .050 DIAMETER Non-Stocked
Min.: 200
Mult.: 200

Solder Wire Lead Free, Rosin Core Sn96.5/Ag03/Cu0.5 0.05 in 66 Spool 1 lb
Kester Solder WATER SOLUBLE FLUX 1LB .062 DIAMETER Non-Stocked
Min.: 200
Mult.: 200

Solder Wire Lead Free, No Clean, Water Soluble Rosin Core Sn96.5/Ag03/Cu0.5 0.025 in 66 Spool 1 lb
Kester 24-7068-6409
Kester Solder WATER SOLUBLE FLUX 1LB .050 DIAMETER Non-Stocked
Min.: 200
Mult.: 200

Solder Wire Lead Free, No Clean, Water Soluble Rosin Core Sn96.5/Ag03/Cu0.5 Spool 1 lb