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          Encapsulating and Potting Epoxy Compound (Black), 375 ml (12 oz) liquid

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            Purchase Encapsulating and Potting Epoxy Compound (Black), 375 ml (12 oz) liquid
            MFG Part Number: 832B-375ML

            Encapsulating and Potting Epoxy Compound (Black), 375 ml (12 oz) liquid

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            (USD) $48.78
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            832B is a general purpose, rigid, 2-part black epoxy that provides extreme environmental, mechanical and physical protection for printed circuit boards and electronic assemblies. Due to its low mixed viscosity, 832B can easily penetrate small gaps and cavities. It also provides excellent electrical insulation and protects components from static discharge, vibration, abrasion, thermal shock, environmental humidity, salt water, fungus, and many harsh chemicals.

            Technical Datasheet (TDS)

            Features

            • Extreme impact resistance (contains a form of nylon)
            • Extreme resistance to water and humidity allowing submersion if needed
            • Strong chemical resistance to brine, acids, bases, and aliphatic hydrocarbons
            • Opaque and extremely difficult to remove material providing high security for proprietary
            • designs
            • Good protection of electronics against corrosion, fungus, thermal shock, and static discharges
            • Easy 2A:1B mix ratio compatible with most dispensing equipment
            • Negligible Volatile Organic Content (VOC)
            • RoHS Compliant
            • Format: Liquid, 375 ml (12 fl. oz)
            Download Specifications Download Acrobat Reader

            Specifications

            Curing & Work Schedule
            Working Life60 minutes
            Shelf Life≥3 year
            Full Cureat 20°C [68°F]24 hour
            at 65°C [149°F]60 minutes
            at 80°C [176°F]45 minutes
            at 100°C [212°F]35 minutes
            Storage Temperature of Unmixed Parts16 to 27°C [60 to 80°F]
            Curing & Work Schedule
            Constant Service Temp.-30°C to 140°C [-22 to 284°F]
            Service Temperature<-30 | +145 °C [<-22 | +294 °F]
            Cured Properties - PhysicalTest Method
            ColorVisualBlack
            Density (at 26°C)ASTM D 7921.12 g/cm3
            Hardness(Shore D durometer)80D to 82D
            Tensile StrengthASTM D 63856.9 N/mm2 [8,250 lb/in2]
            ElongationASTM D 6383.3%
            Lap Shear StrengthASTM D 10024.2 N/mm2 [606lb/in2]
            Izod ImpactASTM D 2560.932 kJ/m2 [0.443 ft·lb/in]
            Compression StrengthASTM D 695155 N/mm2 [22,400lb/in2]
            ModulusASTM D 6952,590 N/mm2 [375,000 lb/in2]
            Flexural StrengthASTM D 790113.76 N/mm2 [16,500 lb/in2]
            ModulusASTM D 7902,940 N/mm2 [427,000 lb/in2]
            Cured Properties - ElectricalTest Method
            Breakdown VoltageASTM D 14951.9 kV @ avg. of 2.79 mm
            Dielectric StrengthASTM D 149472 V/mil [18.6 kV/mm]
            Volume ResistivityASTM D2575.3 x1012 ohm · cm
            Surface ResistivityASTM D2573.1 x1010 ohm
            Comparative Tracking IndexASTM D 3628Not established
            Dielectric Dissipation & ConstantASTM D 150-98dissipation, D constant, k’
            @ 60Hz0.007 D, 3.90 k'
            @1 kHz0.008 D, 2.95 k'
            @10 kHz0.013 D, 2.89 k'
            @100 kHz0.018 D, 2.83 k'
            @1 MHz0.017 D, 2.77 k'
            Cured Properties - ThermalTest Method
            Coefficient of Thermal Expansion (CTE)ASTM E 831104 ppm/°C
            Glass Transition Temperature (Tg)ASTM D 3418Not established
            Heat Deflection Temperature (HDT)ASTM D 64846.638°C [115.95°F]
            Uncured Properties - PhysicalPart APart B
            ColorBlackClear, Amber Tint
            Viscosity at 24°C [73°F]2,500 cP [2.5 Pa·s]11,000 cP [11.0 Pa·s]
            Density1.127 g/mL0.967 g/mL
            Flash Point154°C [309°F]110°C [230°F]
            OdorMildMusty
            Uncured Properties - PhysicalMixture (2A:1B)
            ColorBlack
            Viscosity at 24°C [73°F]3,300 cP [3.3 Pa·s]
            Density1.058 g/mL
            Mix Ratio by volume (A:B)2.0:1.0
            Mix Ratio by weight (A:B)2.3:1.0
            Solids Content (w/w)99%
            Chemical Solvent Resistance
            Weight Change 3 daysWeight Change 45 days
            Water< 0%< 1%
            Hydrocloric Acid< 0%< 1%
            Isopropyl Alcohol0.3%< 1%
            Mineral spirits0.3%0.3%
            Xylene2%9%
            Ethyl Lactate3%7%
            Iso Hexanes5%8%
            Acetone7%destroyed
            832B Peak Exotherm
            Sample Size (grams)Peak Exotherm (Temp. in °C)Time in Minutes
            5044155
            10063110
            50011065

            Manufacturer (aka Brand): MG Chemicals
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