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K-FLEX® 500P

K-Flex 500P is a blend of diethylene glycol dibenzoate and dipropylene glycol dibenzoate that is slightly rich in the diethylene glycol dibenzoate component. K-Flex 500P was created to lower the VOC content of a coating more than other K-Flex plasticizers. It was specifically designed for the coatings industry where very low VOC content is required or other application areas where low VOC content is critical.

Like other K-Flex plasticizers, the K-Flex 500P will offer the paint formulator a viable option to the more volatile coalescents such as 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate or even low VOC types such as triethylene glycol di-2-ethylhexanoate.

K-Flex 500P can significantly reduce VOCs. Like other dibenzoates, K-Flex 500P can be used in adhesives, plastisols and other applications requiring a polar plasticizer with a lower VOC content.

Details

Attribute Value
Specifications
Acidity% (as benzoic acid, maximum %) 0.3
Color Maximum (APHA) 100
Assay% (As benzoate ester, Minimum,% ) 98.0
Typical Properties
Density, ASTM D1475, 25C g/ml 1.15
Density, ASTM D1475 ,25C lbs/gal 9.6
Flash Point, ASTM D92, C 232
Freeze Point, C 0
Glass Point, by DSC, C -54
Moisture Content, % 0.02
Refractive Index, 25C 1.5363
Solubility, in water, % 0.09
Solubility, water in % 0.61
Solubility Parameter, Small's Hildebrands 9.8
Specific Gravity, 25/25C 1.15
Surface Tension, ASTM D1331, 25C, dynes/cm 44.4
Vapor Pressure, 25C (extrapolated), mmHg 1.0 x 10-8
Viscocity, Brookfield RVT, 20 RPMs at 25C, cps and mPa.S 107
Viscosity, Kinematic, 25deg;C, cSt 93
VOC, ASTM D2369, % 0.9
Boiling Point (5 mm Hg,C) 236
FDA Coverages
21 CFR 175.105 Yes
21 CFR 176.170 Yes
22 CFR 176.180 Yes
Application Group Application Description  
Paints & Coatings Concrete and Metal Primer Effective coalescent in direct-to-metal coatings.
Paints & Coatings Exterior Latex Paint Ultra Low VOC, Highly Recommended coalescent for exterior paints.
Paints & Coatings Industrial Coatings Ultra Low VOC, Highly Recommended coalescent for Industrial coatings applications.
Paints & Coatings Interior Latex Paint Ultra Low VOC, Highly Recommended coalescent for Interior latex paints.
Paints & Coatings Lacquers - Nitrocellulosic & Acrylic Ultra Low VOC, Highly Recommended coalescent for Highly Recommended for Nitrocellulosic & Acrylic laqures.
Paints & Coatings Special Purpose Coatings Ultra Low VOC, Highly Recommended coalescent for special purpose coatings applications.

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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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