INDIUM Preforms


INDIUM Preforms View Large Image

Obtaining the correct amount of solder to ensure a strong solder joint is critical in electronics manufacturing. However miniaturization trends, such as the reduction of stencil thickness and more tightly fitted components make this increasingly difficult. Solder Fortification® Preforms can provide the solution for these challenging issues.

Solder Fortification® Preforms are generally rectangle shaped pieces of alloyed metal that do not contain any flux. The preform is added to a deposit of solder paste using standard pick and place equipment. Since the alloy for both the preform and the solder paste are the same, the preform will reflow at the same temperature as the solder paste, with the solder paste providing the necessary flux. The preform increases the volume of solder above what could be achieved with just solder paste, especially for stencils with a pitch of 0.3mm or less.

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INDIUM Preforms €0.00

Solder Preforms are used in a variety of applications that require precise amounts of solder.

Preforms come in standard shapes such as squares, rectangles, washers and discs. Typical sizes range from .010" (.254mm) up to 2" (50.8mm). Smaller and larger sizes, as well as custom shapes, are also available. Dimensions can be held to tight tolerances to assure volume accuracy.


  • Increased solder volumeImproved drop test results
  • Fewer issues with flux residue
  • Reduced rework
  • Improved fillet shape and volume


  • Increased solder volume compared to what could be achieved with just solder paste
  • Fewer issues with flux residue
  • Elimination of costly or time-consuming processes, such as wave soldering or selective soldering
  • Stronger solder joints which help improve drop test results
  • Reduced rework and other manual processes to add solder volume
  • Improved shape and volume of fillet to ensure joints meet IPC specifications
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