- FERROCOTE 5856 BF T1FERROCOTE® 5856 BF T1 is a barium-free, solventdispersed corrosion preventive providing 1-5 years of indoor protection of ferrous and non-ferrous bearing surfaces. This product is formulated with a unique balance of polar additives that provides exceptional corrosion protection. It offers excellent water displacing and fingerprint neutralization performance characteristics. Its inherent versatility offers application flexibility using spray, immersion, flood or flow-coat techniques. FERROCOTE® 5856 BF T1 is a global product extensively used for numerous industrial metalworking corrosion preventive applications.