Troysan 174 Troy Preservatives / Biocides / Fungicides ADHESIVE >> Water-based SEALANT Troysan 174 A liquid, low odor broad-spectrum bactericide for aqueous-based adhesives and sealants. Troysan 174 is one of the most cost effective bactericides in the Troy product portofolio. Troysan 174 provides exceptional resilience to re-intrusion of bacteria. Troy 174 was tested and shown to be emission compliant at less than 100 parts per billion formaldehyde when used at recommended doses. Low odor broad-spectrum bactericide. Used for aqueous-based adhesives and sealants. Provides very good efficiency and resilience to re-intrusion of bacteria.