ALPHA EF-8800HF is an alcohol based flux designed for both standard and thicker, high-density PCBs in Lead-free process. This flux shows stable performance even under long exposure to higher preheat and higher solder pot temperature. ALPHA® EF-8800HF is formulated to have low bridging on bottom side QFPs, as well as provide superior performance in pin testing, hole-fill and solderballing. Additionally, it provides good Lead-free solder joint cosmetics with an evenly spread, tack free residue.