Polyphase 641 Troy Preservatives / Biocides / Fungicides SEALANT ADHESIVE >> Solvent based ADHESIVE >> Water-based Polyphase 641 Polyphase 641 is an advanced Polyphase formulation with color stable technology, enhanced chemical stability, and all the fungicidal efficacy of conventional¨Polyphase. Inproved performance and shelf life stability have been demonstrated in many waterborne and solvent formulations including systems containing metal carboxylate driers, raw linseed oil, and iron oxide pigments. Polyphase 641 is a cost-effective solution and can provide excellent protectionat lower use levels versus competitive products. In low pH systems, Polyphase 641 is effective in controlling and preventing in-package yeast and fungal contaminationau very low doses (0.025%-0.05%). The versatility and cost efficiency of Polyphase 641 make it excellent choice for systems needing fungal protection Polyphase 641 is highly recommended for adhesives, sealnats, and many other applications requiring dry-film protection. Color stable fungicide. Used in waterborne and solvent formulations, such as adhesives and sealants, including systems containing metal carboxylate driers, raw linseed oil, and iron oxide pigments. Offers enhanced chemical stability, fungicidal efficacy, improved performance and shelf life stability . Provides very good protection at low use level. Gives efficiency in controlling and preventing in-package yeast and fungal contamination at very low doses in low pH systems.