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K-FLEX® 850S

K-Flex 850S is a blend of diethylene glycol dibenzoate and dipropylene glycol dibenzoate. The composition of this blend of classic dibenzoate plasticizers is optimized for waterborne latex applications.

Like K-Flex DP and 500, K-Flex 850S has full FDA approvals for adhesives and was created to maximize on efficiency and cost effectiveness. In coatings K-Flex 850S is low in VOC to assist the formulator on issues of VOC reduction. K-Flex 850S is not recommended for PVC applications; however, it can be used in other applications such as polysulphide sealants. In the EU K-Flex 850S is label-free.

Details

Attribute Value
Specifications
Acidity% (as benzoic acid, maximum %) 0.3
Color Maximum (APHA) 150
Assay% (As benzoate ester, Minimum,% ) 98.0
Typical Properties
Color (APHA) 40
Density, ASTM D1475, 25C g/ml 1.14
Density, ASTM D1475 ,25C lbs/gal 9.6
Flash Point, ASTM D92, C 193
Freeze Point, C 14
Glass Point, by DSC, C -55
Moisture Content, % 0.02
Refractive Index, 25C 1.5361
Solidification Point, C N/A
Solubility, in water, % 0.55
Solubility, water in % 1.64
Solubility Parameter, Small's Hildebrands 9.8
Specific Gravity, 25/25C 1.14
Surface Tension, ASTM D1331, 25C, dynes/cm 45.0
Vapor Pressure, 25C (extrapolated), mmHg 9.03x10-5
Viscocity, Brookfield RVT, 20 RPMs at 25C, cps and mPa.S 72
Viscosity, Kinematic, 25deg;C, cSt 63
VOC, ASTM D2369, % 2.2
Application Group Application Description  
Adhesives Hot-melt Adhesives Highly recommended low VOC plasticizer for hot-melt adhesives.
Adhesives Putty Effective & economical plasticizer, a vehicle used in peroxide paste for putty.
Adhesives Water-based Latex Adhesives Highly recommended low VOC plasticizer for water-based latex adhesives.
Graphic Arts & Printing Flexographic Ink Highly recommended low VOC coalescent for flexographic ink and waterborne OPV applications.
Paints & Coatings Concrete and Metal Primer Highly recommended coalescent in direct-to-metal coatings.
Paints & Coatings Exterior Latex Paint Highly recommended coalescent for exterior latex paints.
Paints & Coatings Industrial Coatings Highly recommended low VOC coalescent for industrial coatings applications.
Paints & Coatings Interior Latex Paint Highly recommended coalescent for interior latex paints.
Paints & Coatings Lacquers - Nitrocellulosic & Acrylic Effective low VOC coalescent for nitrocellulosic & acrylic lacquers.
Paints & Coatings Special Purpose Coatings Highly recommended low VOC coalescent for special purpose coatings applications.
Paper Paper Coating Highly recommended low VOC Coalescent for paper coatings.
Sealant Polysulphide Sealants General plasticizer with excellent compatibility for polysulfide sealants.

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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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