POLYPHASE® PW40 is a broad-spectrum, dry-film preservative which inhibits fungal growth on surfaces. It is a free-flowing, aqueous, VOC-free dispersion product. It is especially suited for the protection of interior coatings intended for damp or wet environments as basements, kitchens, bathrooms and process areas. It is suited for waterborne systems, and can also be used as fungicide for in-can protection