K-Flex DP is dipropylene glycol dibenzoate, which is one of the oldest members of the plasticizer family and one of the most versatile polar plasticizers still commercially available.  K-Flex DP is compatible with a wide range of polar polymers and rubbers and is often blended with other plasticizers such as K-Flex DE (diethylene glycol dibenzoate).


Attribute Value
Acidity% (as benzoic acid, maximum %) 0.1
Assay% (As benzoate ester, Minimum,% ) 98.0
Color Maximum (APHA) 100
Typical Properties
Color (APHA) 50
Density, ASTM D1475, 25C g/ml 1.11
Density, ASTM D1475 ,25C lbs/gal 9.3
Flash Point, ASTM D92, C 204
Freeze Point, C -51
Glass Point, by DSC, C -51
Moisture Content, % 0.02
Refractive Index, 25C 1.5238
Solidification Point, C -31
Solubility, in water, % 0.20
Solubility, water in % 0.40
Solubility Parameter, Small's Hildebrands 9.5
Specific Gravity, 25/25C 1.11
Surface Tension, ASTM D1331, 25C, dynes/cm 42.8
Vapor Pressure, 25C (extrapolated), mmHg 2.57x10-6
Viscocity, Brookfield RVT, 20 RPMs at 25C, cps and mPa.S 99
Viscosity, Kinematic, 25deg;C, cSt 89
VOC, ASTM D2369, % 3.2
Application Group Application Description  
Adhesives Putty Effective low VOC plasticizer used in putty
Adhesives Water-based Latex Adhesives Effective low VOC plasticizer for water-based latex adhesives
Agricultural Crop Protection Highly Recommended low VOC plasticizer used in pesticides
Paints & Coatings Lacquers - Nitrocellulosic & Acrylic Highly Recommended low VOC coalescent for Nitrocellulosic & Acrylic lacquers.
Personal Care Multifunctional Highly Recommended, FDA approved plasticizer used as Viscosity control aid in wax based-hair removal products.
Sealant Polysulphide Sealants Effective low VOC plasticizer for Polysulphide sealants.
Sealant Water-based Latex Caulks & Sealants Effective low VOC plasticizer for water-based latex caulks & sealants.
Vinyl Plastisol Printing Highly Recommended low VOC plasticizer used in Plastisol printing.
Brochures Line Cards Articles / White Papers

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K-FLEX is a registered trademark of Emerald Performance Materials, LLC for its line of low-VOC plasticizers and coalescents.
K-FLEX is also a registered trademark of King Industries, Inc. for its line of polyester and urethane polyols and resin modifiers.

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