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3M Novec™ 71DA Engineered Fluid

Category Fluid
Manufacturer 3M
Trade Name Novec™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
3M™ Novec™ 71DA Engineered Fluid is a hydrofluoroether, Methyl Nonafluorobutyl Ether (C4F9OCH3), in an azeotrope formulation with trans-1,2-dichloroethylene (t-DCE) and ethanol. This mixture is a true azeotrope, with constant vapor and liquid composition at its boiling point. Novec 71DA fluid is ideal for defluxing and degreasing tasks and is intended to replace ozone-depleting materials in many applications as well as certain aqueous cleaning processes and solvent coating applications. This Novec product has zero ozone depletion potential and other favorable environmental properties (see Table 2). Novec 71DA fluid has a recommended time-weighted average exposure guideline of 750 ppm for the 3M™ Novec™ 7100 Engineered Fluid component (eight hour average), 200 ppm for trans-1,2-dichloroethylene (t-DCE) and 1000 ppm for ethyl alcohol. These exposure guidelines suggest there is a large margin of safety for use of Novec 71DA fluid in its intended cleaning applications. The increased solvency and low surface tension, nonflammability and constant composition during boiling of Novec 71DA fluid make it ideal for immersion defluxing and degreasing applications. The ethanol component of Novec 71DA fluid provides enhanced removal of ionic contaminants. Applications:Cleaning, rinsing and drying agent; coating solventCleaning of oils, greases, waxes, handling oils and solder flux residuePrecision coating of silicones and other lubricantsInformation provided by 3M
Physical Properties Metric English Comments
Density 1.33 g/cc
0.0480 lb/in³
Liquid
Viscosity 0.45 cP
0.45 cP
Vapor Pressure 0.508 bar
381 torr
Surface Tension 16.4 dynes/cm
16.4 dynes/cm
Thermal Properties Metric English Comments
Heat of Vaporization 209.3 J/g
90.06 BTU/lb
Boiling Point 40.0 °C
104 °F
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