Kester Solder Wire 44 Flux-Cored, 0.031" Diameter
Kester Solder Wire 44 Flux-Cored, 0.031" Diameter
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Delivery Estimates
Orders placed by 3pm AEST Monday–Friday ship the same day. Weekend orders ship Monday. Freight costs are calculated at checkout.
Express Post typically arrives next business day in major Australian cities for orders placed before our cut-off.
Not available for orders including aerosols or DG’s.

- Delivery dates are estimates, not guarantees.
- Bulky items may be shipped via TNT Road express.
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Description
Kester 44 Flux-Cored Solder Wire is the industry standard for electrical, electronic, and aerospace applications. With its high-activity RA (Rosin Activated) formulation, this solder wire delivers exceptional performance through its “instant-action” wetting behavior, ensuring fast and reliable soldering results.
Key features include:
- Flux content: 3.3%
- Leaded composition with halogen
- High solderability to various metal surfaces
- Tested reliability: Passes IPC SIR testing at both 85°C/85% RH and 40°C/90% RH
- Consistent performance: Trusted RA cored wire for decades
- Standards compliance: Classified as ROM1 per J-STD-004
Perfect for precision soldering tasks, this solder wire guarantees efficient, clean, and durable connections in critical applications.
Specifications
Brand | Kester |
---|---|
Category | Heat Guns & Soldering |
SKU | 604A31 |
Shipping Weight | 1.0 kg |
Kester 44 Flux-Cored Solder Wire is the industry standard for electrical, electronic, and aerospace applications. With its high-activity RA (Rosin Activated) formulation, this solder wire delivers exceptional performance through its “instant-action” wetting behavior, ensuring fast and reliable soldering results.
Key features include:
- Flux content: 3.3%
- Leaded composition with halogen
- High solderability to various metal surfaces
- Tested reliability: Passes IPC SIR testing at both 85°C/85% RH and 40°C/90% RH
- Consistent performance: Trusted RA cored wire for decades
- Standards compliance: Classified as ROM1 per J-STD-004
Perfect for precision soldering tasks, this solder wire guarantees efficient, clean, and durable connections in critical applications.
Brand | Kester |
---|---|
Category | Heat Guns & Soldering |
SKU | 604A31 |
Shipping Weight | 1.0 kg |