We have a new website!

FCT Solder has always been part of FCT Assembly… But as our company continues to grow, it’s time to have a dedicated website for our solder products. If you are looking for something specific or have any questions, please feel free to contact us.

We help power the world.

Better Solder Paste, Solder Flux, and Lead Free Solder

Put Our Solder To the Test

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In order to show how much better FCT Solder is compared to our competitors, we have a custom designed circuit board. This board recreates common circuitry as well as adding complicated circuits to test our solder.

The PR board is used for printed volume, AR limit, wetting, solder balling, graping, and voiding

About FCT Solder

FCT Assembly provides the highest performing chemistries in the market today. We offer many advantages through our solution driven solder products. Explore the various solder products that we offer including solder paste, bar, wire, and flux technology.

FCT’s solder paste line can be defined by many categories:  no clean, water soluble, RMA, pin probable versus non pin probable and halogen free versus halide based activation.  

But we have broken our product line out by Leaded versus Lead Free.  For leaded we sell 63/37, 62/36/2, Hi Temp leaded alloys.  Lead free alloys include SAC305, SN100C, SAC387, SAC307 as well as other HMP alloys.  These typically come in Type 3 , Type 4 and Type 5 particle sizes.  

For our paste products we think that it is important to offer fresh pastes and so paste orders ship within 4 working days. Lastly our strength isn’t just in water soluble or no clean technology but in both.  Attributes include:

  1. Thin viscosity with low slump characteristics
  2. Halogen free product line with good activity and stability
  3. Low graping products for both water soluble and no clean
  4. Antitombstoning alloys that offer a melting range for both leaded and lead free alloys
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Engineering Support

Having issues with solder or your manufacturing process? Need help solving a solder problem? Talk to one of our engineers and let us help you solve your problem.

What Customers Say:

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“I just wanted to give you some feedback on the FCT type 4 lead free solder paste.  I tried it and was pleasantly surprised with the result!  The material spread well, printed great (nice defined bricks, even on the fine pitch square apertures). The solder joints looked great and had very good pad wetting.  We were able to leave it on the stencil while at lunch and upon returning, the first print looked just as good as the first print of the day. So all things considered, it is a great product and I will definitely be buying FCT paste now. Thanks for recommending it!”

-Current FCT Solder Customer