Tin Phosphorus Master Alloy

Tin Phosphorus Master Alloy

Tin Phosphorus Master Alloys boost solder performance in SAC and other alloy ranges. Add a little phosphorus, and oxide formation drops dramatically. As a result, solder joints look cleaner and stronger. You also see less dross building up in solder baths.

We make our Tin Phosphorus Master Alloys with 99.9% virgin Tin and red Phosphorus. This approach ensures reliable quality and consistent analysis every time.

Available in 5%, 3% and 1% Phosphorus, balance Tin.

Available Forms

Our Tin Phosphorus is available in:

4kg waffle plate which is easily broken into small chunks for accurate additions.
5kg Ingots
2.5kg Ingots
80g discs

Melting Range

95Sn-5P 97Sn-3P 99Sn-1P
520 TO 540°C 475 TO 495°C 375 TO 395°C
968 TO 1004°F 887 TO 923°F 707 TO 743°

Specifications of our Tin Phosphorus Master Alloy

Tin (Sn) 94.5 % to 95.5% 96.5 % to 97.5% 98.5 % to 99.5%
Phosphorus (P) 4.5 % to 5.5 % 2.5 % to 3.5 % 0.5 % to 1.50 %
Tin + Phosphorus (Sn+P) 99.9% Min
Antimony (Sb) 0.030 % Max
Lead (Pb) 0.030 % Max
Bismuth (Bi) 0.010 % Max
Copper (Cu) 0.020 % Max
Arsenic (As) 0.010 % Max
Iron (Fe) 0.010 % Max
Cadmium (Cd) 0.001 % Max
Zinc (Zn) 0.001 % Max
Other —– 0.010 % Max

*Learn more about DKL Metals here!*

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