Polyphase® 678, is a zero-VOC dry film preservative offering full-spectrum fungal control in architectural and wood coatings.

Troy Corp.: Polyphase® 678, is a zero-VOC dry film preservative offering full-spectrum fungal control in architectural and wood coatings. It provides long-lasting protection against fungi, mildew, staining and wood rot, while offering safe handling properties and zero VOC. This low-odor product is well suited for both interior and exterior applications. Polyphase 663 is a broad-spectrum, zero-VOC dry film preservative offering protection against marring and premature failure of coatings caused by algal and fungal attack. It is engineered to offer protection of exterior coatings in climates in which the algal and fungal threats are severe. The product is ideal for use in wood and architectural coatings, masonry coatings, cement coatings, stucco and additional applications. Visit www.troycorp.com.