The Kester solder we used in our industrial power tools project was top-notch .Based on our own experience, this product delivers consistent results with a low melting point of 183°C. The quality of the solder was impressive, with no cold or bad joints. The only drawback we could find was the relatively high price but the superior performance makes it WORTH the investment. in summary, Kester solder is an excellent choice for any industrial application where reliability and consistency are crucial..