Silver Brazing Fluxes Lomelt® Series

Flux selection is determined by the base metal and the filler metal alloys working temperature. The working temperature and melting range of the filler alloy must match the flux's active range.

General Purpose

Lomelt ® A Flux Powder

Recommended for: Description and Flux characteristics: General information:
  • Used for brazing of steel, copper, copper alloys, nickel & nickel alloys.
  • Dissimilar metals in above metal group can be easily brazed.
  • Ideal for working with hot rod.
  • Activity range: 500 - 800°C
  • Lomelt ® A is a general purpose silver brazing powder flux.
  • Excellent capillary & Fluidity.
  • High activity medium life flux.
  • Based on specification: EN 1045 FH10. * For use with BAg and BCuP group alloys.
  • Flux removal: Flux residues left by this flux are corrosive and must be removed from brazed joint area. After brazing clean flux residues from brazed joint by soaking and then brushing under hot water.
Lomelt ® 58 Flux Paste

Recommended for: Description and Flux characteristics: General information:
  • Used for brazing of steel, stainless steel, copper, copper alloys, nickel & nickel alloys.
  • Dissimilar metals in above metal group can be easily brazed.
  • Most suitable for production work with flame & induction heating brazing.
  • Activity range: 565 - 870°C.
  • Lomelt ® A is a general purpose silver brazing powder flux.
  • Excellent capillary & Fluidity.
  • High activity medium life flux.
  • Based on specification: EN 1045 FH10. * For use with BAg and BCuP group alloys.
  • Flux removal: Flux residues left by this flux are corrosive and must be removed from brazed joint area. After brazing clean flux residues from brazed joint by soaking and then brushing under hot water.

Silver Brazing Fluxes Lomelt® Series

Low Temperature

Lomelt ® Flux Powder

Recommended for: Description and Flux characteristics: General information:
  • Used for brazing of steel, stainless steel, copper, copper alloys.
  • Induction heating.
  • fast heating cycles.
  • Most suitable for tight fit joints.
  • Activity range: 450 - 750°C.
  • Lomelt® is a low temperature silver brazing powder flux.
  • Excellent capillary & Fluidity.
  • High activity short to medium life flux.
  • Can be mixed with water to make paste.
  • Proprietary flux formulation. * Used with BAg (High silver content alloys) group alloys.
  • Flux removal: Flux residues left by this are corrosive and must be removed from brazed joint area. After brazing clean flux residues from brazed joint by soaking & and then brushing under hot water.
  • Standard packing: 500gms.
Lomelt ® 50 Flux Paste

Recommended for: Description and Flux characteristics: General information:
  • Used for brazing of steel, stainless steel, copper, copper alloys.
  • Induction heating & flame brazing.
  • fApplication by brushing or dipping of components.
  • Activity range: 500 - 775°C.
  • Lomelt®55 is a low temperature silver brazing paste flux.
  • Spreads more over the surface of the parts to be brazed.
  • Will give smooth fillets & fine joint appearance.
  • Good capillary & Fluidity.
  • Very high activity medium life flux.
  • Proprietary flux formulation. Used with BAg (High silver content alloys) and BCuP group alloys.
  • Flux removal Flux residues left by this flux are corrosive and must be removed from brazed joint area. After brazing clean flux residues from brazed joint by soaking & and then brushing under hot water.
  • Standard packing: 250gms, 500gms, 1000gms.

Lomelt® Silver Brazing Fluxes

Medium Temperature

Lomelt ® 55 Flux Paste/powder

Recommended for: Description and Flux characteristics: General information:
  • Used for brazing of steel, stainless steel, copper, copper alloys, carbides, nickel & nickel alloys.
  • Suitable for tight fit joints as well as loose fit joints.
  • Induction heating & flame brazing.
  • Activity ranges 550 - 800°C.
  • Lomelt® 55 is a general purpose medium temperature silver brazing flux.
  • Excellent resistance to overheating.
  • Good capillary and Fluidity.
  • High activity medium life flux.
  • Based on specification: EN1045 FH10. * For use with BAg (High to Medium silver content alloys) and BCuP group alloys.
  • Flux removal: Flux residues left by this flux are corrosive and must be removed from brazed joint area. After brazing clean flux residues from brazed joint by soaking and then brushing under hot water.
  • Standard packing: 500gms, 1000gms.
Lomelt® 59 Flux paste

Recommended for: Description and Flux characteristics: General information:
  • used for brazing of steel, stainless steel, copper, copper alloys, nickel & nickel alloys.
  • Used with medium to low silver content brazing alloy.
  • Special formulated flux for high temperature stability.
  • Activity range: 565 - 870°C.
  • Lomelt®59 is a medium temperature silver brazing paste flux.
  • High oxide removal property.
  • Work well with extend heating cycle.
  • Medium to long life flux.
  • Based on specification: AWS A 5.31M: TYPE FB3-A. For use with BAg (medium to low silver content alloys) BCup group alloys.
  • Flux removal: Flux residues left by this flux are corrosive and must be removed from brazed joint area. After brazing clean flux residues from brazed joint by soaking and then brushing under hot water.
  • Standard packing: 500gms, 1000gms.
Lomelt® B Flux Powder

Recommended for: Description and Flux characteristics: General information:
  • Used for brazing of steel, stainless steel, copper, copper alloys, nickel & nickel alloys.
  • Dissimilar metals in above group can be easily brazed.
  • Ideal for working with hot rod. Activity range: 600 - 870°C.
  • Lomelt® B is a medium temperature silver brazing powder flux.
  • Excellent capillary and very high fluidity.
  • High activity medium life flux.
  • Based on specification: AWS 5.31M: TYPE FB3-F. * For use with BAg( High to medium silver content cadmium free brazing alloys) BCuP group alloys.
  • Flux removal: Flux residues left by this flux are corrosive and must be removed from brazed joint area. After brazing clean flux residues from brazed joint by soaking then brushing under hot water.
  • Standard packing: 500gms.

Lomelt® Silver Brazing Fluxes

High Temperature

Lomelt® 60 Flux Paste

Recommended for: Description and Flux characteristics: General information:
  • Used for brazing of steel, stainless steel, copper, copper alloys, carbides, nickel & nickel alloys.
  • Most suitable for furnace and induction heating brazing.
  • Most suitable where higher working range flux is needed such as with medium to low silver content filler metals.
  • Activity range: 565 - 870°C.
  • Lomelt® 60 is a high temperature silver brazing paste flux.
  • Excellent temperature and time stability at the top of its activity range.
  • High capillary long life with wide working range flux.
  • Based on specification: AWS A5.31M: TYPE FB3 – A. * For used with BAg (Medium to low silver content alloys having liquidus temperature more than 750°C) BCuP group alloys.
  • Flux removal : Flux residues left by this flux are corrosive and must be removed from brazed joint area. Flux removal: After brazing clean flux residues from brazed joint by soaking and then brushing under hot water.
  • Standard packing: 1000gms. , 500gms.