Diisononyl Phthalate (DINP) is a preferred choice PVC plasticizer for large-volume general use applications by balancing cost savings with good processablity. DINP is highly compatible and can be used with many secondary plasticizers to maximize cost effectiveness. It is often used as a substitute for Dioctyl Phthalate (DOP) and shows lower volatility than DOP. DINP also shows good permanence and resistance to aging, extraction by oils, water and most cleaning products. It is suited for a variety of flexible PVC plastisol, extruded and molded parts applications including coated fabrics, sheet products, tubing, gasketing, and wire insulation and jacketing. It is attractive for wire and cable applications due to its good dielectric properties and it can be stabilized for this use. DINP is compatible with PVC and its copolymers, acrylic, chlorinated polyethylene, nitrile, polyvinylidene chloride, rubber compounds, and urethane. In addition, DINP has also been shown to be safe for use in a variety of applications and meets many regulatory standards such as REACH readiness. DINP also meets FDA regulation CFR 21, Part 178, section 3740, for plasticizers for polymeric substances used in contact with food.
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