Apply the “trident synergy” of Busan 7555 from Buckman. What is “trident synergy?” It’s the breakthrough performance Buckman has achieved by combining three highly effective fungicides into a single, potent formulation. You’ll find it only in Busan 7555. It controls mold better with lower residual levels left on leather. With Busan 7555, you’ll ensure long-term preservation of your leather products with an optimized ecological profile. D215.