The KESTER part 63-0000-0186 is a high-quality Liquid Rosin Mildly Activated solution in a gallon size, with a rosin content of 36%. This liquid rosin is mildly activated for superior performance and reliability in various electronic assembly and soldering applications. It offers excellent wetting characteristics and fluxing activity, ensuring a strong and reliable solder joint. The gallon size provides ample quantity for frequent use and long-lasting performance in industrial and commercial settings. Trust the KESTER 63-0000-0186 to deliver optimal soldering results with its superior fluxing properties and easy application.