63/37 RC 0.032" 22 Gauge 1 lb

SKU# 4885-454G
MFR# 4885-454G
  • Eutectic alloy (liquidus = solidus temperature)
  • Alloy exceeds J-STD-006C and meets ASTM B 32 purity requirements
  • Flux meets J-STD-004B
  • Rosin-activated flux
  • Fast wetting
  • Fast flowing
  • Non-corrosive residue
  • Non-conductive residue
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The rapid wetting and fast flowing properties of M.G. Chemicals Rosin Activated Flux formula results in consistent and reliable soldering every time. Cleaning is now optional with the RA Flux core due to its non-corrosive and electrically non-conductive properties.


Non-corrosive and electrically non-conductive flux residue
RA Flux Core
Meets J-STD-004 / J-STD-006

Standard Flux Core percentage at 2.2%

Melting Point: 183 ° C / 361 ° F
Color & Appearance: Amber Solid
Softening Point, °C (Flux Extract): 80°
Silver Chromate (Qualitative Halides): Detection
Acid Number (mgKOH/g sample): 150-160
Classification Per J-STD-004: ROM1
Surface Insulation Resistance: > 1.0 x 10^9
Shelf Life: Indefinite
Residual Removal: Not Required
Physical Characteristics:
Size: 1 lb (454 g)
Diameter: 0.032"
Gauge: 22
Description: Spool
63% tin, 37% lead

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