FINFOAM uses an environmentally friendly cleaning formula that is pH balanced. The low pressure cleaning process will not damage delicate fin fans and completely removes dirt. debris and corrosive elements. Low pressure foam cleaning increases the residence time in the region of interest resulting in a complete and thorough cleansing. This technique is safer for your personnel and ours than anything else on the market. Continuous training, a safe product and dedicated staff have resulted in a perfect safety record - five years running.