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.
| Attribute | Value |
|---|---|
| Specifications | |
| Acidity% (as benzoic acid, maximum %) | 0.3 |
| Assay% (As benzoate ester, Minimum,% ) | 98.0 |
| Color Maximum (APHA) | 150 |
| Typical Properties | |
| Color (APHA) | 40 |
| Density, ASTM D1475, 25°C g/ml | 1.14 |
| Density, ASTM D1475 ,25°C 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, 25°C | 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, 25/25°C | 1.14 |
| Surface Tension, ASTM D1331, 25°C, dynes/cm | 45.0 |
| Vapor Pressure, 25°C (extrapolated), mmHg | 9.03×10-5 |
| Viscocity, Brookfield RVT, 20 RPMs at 25°C, cps and mPa.S | 72 |
| Viscosity, Kinematic, 25deg;C, cSt | 63 |
| VOC, ASTM D2369, % | 2.2 |
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