NPT 3680210 Deck-O-Weld bonding agent is a high solids content, water dispersion of bonding polymers, compounded specifically for modifying Portland cement, plastic, and stucco compositions. It is a milky white, non-yellowing liquid, ready for use as an interface or intermix bonding agent. When properly mixed and applied, Deck-O-Weld forms a tenacious bond between new-to-old concrete. Cement mortars modified with Deck-O-Weld are hard, tough, and durable. The product offers superior tensile, flexural, and impact strengths. Also, mortars and concrete modified with Deck-O-Weld typically show greater adhesion