Features and Benefits

LOCTITE GC 3W, Solder paste, Pb-free soldering, Halogen-free, Water Washable flux

LOCTITE® GC 3W is a RoHS-compliant solder paste with excellent resistance in high humidity. Improved stability at different storage and operating temperatures, with extended stencil life over 24 hours. Suitable for high-density, small to large boards. Residues can be removed with aqueous cleaner followed by deionized water for 5 minutes at 45°C to 60°C.


Options and Configurations

  • Alloy: 97SC (SAC305)
  • Particle Size: Type 3, 4


  • Water washable, Pb-free solder paste
  • Halogen-free flux: passes IC with pretreatment IPC-TM-650 2.3.34/EN14582
  • Halogen-free flux classification: ORM0 to ANSI/J-STD-004 Rev
  • Formulated so residues can be cleaned with deionized water
  • Humidity resistance: excellent coalescence after 24 hours exposure to 27°C/80% RH
  • Excellent resistance to solder balling, initially and after exposure to humidity
  • Suitable for fine pitch, high speed printing up to 150 mms-1 (6"/s)
  • Excellent paste transfer efficiency after extended abandon times and extended printing time
  • Humidity Resistance: Enhanced tack time
  • Suitable for single and double side reflow
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Technical Information

% Filler 89.5
Alloy Option - Pb Free 97SC (SAC305)
Applications Stencil Printing
Color Grey
Shelf Life Time 180 day
Storage Temperature 0 - 10 °C
Thixotropic Index 0.48
Viscosity 595000 - 784000 mPa.s (cP) Brookfield
Viscosity Temperature 25 °C