Solder - Kester, 60 / 40, 44 Flux, 1 lb spool
Pictured: 0.031"
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$34.45
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60/40 Rosin Core, 1 lb Spool, contains lead alloy.
Kester 44 Rosin Flux is an activated rosin formula for use in flux-cored solder wire. Kester 44 Rosin Flux has virtually dominated the field of activated rosin core solders for well over four decades.
An outstanding performance feature of this flux is the “instant-action” wetting behavior. The high mobility and fast-spreading action of this flux results in more reliable production line soldering.
Features
- Classified as ROM1 per J-STD-004
- Excellent solderability to a wide variety of metallizations
- High activity RA formulation
- Industry standard RA cored wire for decades
Accessory Items:
| Diameter | Our Part Number | UPC/EAN |
|---|---|---|
| 0.050" | S-T9000 | |
| 0.031" | S-T9001 | 768249061861 |
| Alloy | Sn60 Pb40 | |
| Core Type | 3.3% Flux (66) | |
| Flux Designator | ROM1 | |
| Flux Formula | 44 | |
| Flux Type | Rosin, Activated (RA) | |
| Melting Range | 183°C - 190°C |
| Packaging Dimensions | 0.031" version | S-T9001 | 2.5 in. × 2.4 in. × 2.3 in. |
| 0.050" version | S-T9000 | 2.6 in. × 2.3 in. × 2.3 in. | |
| Weight (Packaging) | 0.031" version | S-T9001 | 1.104 lbs. |
| 0.050" version | S-T9000 | 1.073 lbs. |
| S-T9001 - 0.031" version | Alloy | Sn60 Pb40 |
| Core Type | 3.3% Flux (66) | |
| Flux Designator | ROM1 | |
| Flux Formula | 44 | |
| Flux Type | Rosin, Activated (RA) | |
| Melting Range | 183°C - 190°C | |
| S-T9000 - 0.050" version | Alloy | Sn60 Pb40 |
| Core Type | 3.3% Flux (66) | |
| Flux Designator | ROM1 | |
| Flux Formula | 44 | |
| Flux Type | Rosin, Activated (RA) | |
| Melting Range | 183°C - 190°C |
 Specification Sheet | All Models |
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Specifications, Files, and Documents
Questions and Answers
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1 answers
can this be used to repair circuit boards in keyboards
Asked by Anonymous on April 12th, 2018.
April 13th, 2018
Staff Member
This can be used on circuit boards depending on the application.
1 answers
60/40 means tin/lead correct?, what is 44 Flux? and am I correct for soldering wire like s-w810L ( your wire) solid core lacquered cloth covered wire for good connections?
Asked by Anonymous on March 17th, 2021.
March 17th, 2021
Staff Member
Yes, 60/40 is the tin to lead ratio. Check out the specification sheet in the Specifications, Files, and Documents for the full description on the flux type. Many people use this as an all purpose solder for soldering wires and pcb's. It will work well with the wires you listed.
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Good Stuff - Seems like solder is not easy to find anymore, so I'm happy to see this is available and works like it should.
You won't find a better solder for amp and guitar circuits! It flows extremely well and the melting point is perfect. Don't waste time or money with anything else.
Awesome stuff. Perfect for Amps and musical equipment, and an unbeatable price.