Magnolia Plastics
Electrically & Thermally Conductive Compound
Epoxy Potting Compound 111-047, Parts A & B
A Color Coded Version of Magnolia 3998

Plastics for the Space Age Since 1957


Epoxy Potting Compound 111-047, Parts A & B
A Color Coded Version of Magnolia 3998, Parts A & B

DESCRIPTION

Magnolia's Compound 111-047, A and B is a potting system based on epoxy resins. When cured, this compound forms a highly flexible seal which protects electronic components even after repeated shocking from +250°F to -40°F. Because 111-047 is made from materials which are 100% reactive, there is very low weight loss and no tendency toward age hardening.

Compound 111-047 is often used with medium silica sand to reduce the cost of the potted unit. This system will remain fluid for several days after the parts A and B are mixed together. This feature along with the convenient 1:1 mix ratio will often eliminate the need for expensive metering and dispensing equipment. Magnolia 111-047, A and B is designed to be a color coded version of Magnolia 3998, A and B.

DIRECTIONS FOR USE
TYPICAL PROPERTIES 
                             Part A          Part B         Mix
     Color                   Yellow          Blue           Green
     Specific Gravity        1.13            .96            1.07
     Mix Ratio (by weight)   1               1              2
     Viscosity, cps          1,300           2,000          1,600
     Gel Time
       10g @ 250°F                                          15 minutes
     Pot Life @ 77°F                                        4 days

     Cure Schedule:  1 to 2 hours @ 250°F to 275°F
CURED PROPERTIES 
     Hardness, Shore A @ 75°F            35 (10 seconds)

     Weight loss, 250°F, 168 hours, %    .30

     Water Absorption, 24 hours @ 75°F   .51

     Volume Resistivity @ 75°F           2.8 X 1014 ohms-cm
       (500 volts for 1 minute)

     Dielectric Constant, 75°F, 1 MHz    3.96

     Dissipation Factor, 75°F, 1 MHz     .017

     Thermal Conductivity, ASTM D2214    2.01 X 10-4 Cal cm/sec cm2 °C
                                         4.87 X 10-2 Btu ft/hr ft2 °F

     Dielectric Strength, ASTM D149      520 volts/mil




            DANGER                            FIRST-AID
--------------------------------     -------------------------
May cause severe irritation.         Eyes - Immediately flush
Do not get in eyes, on skin          eyes with plenty of water
or clothing.                         for at least 15 minutes.
Do not inhale vapors.                Get medical attention.
Wear rubber gloves & aprons.         Skin - Wash immediately
Use with adequate ventilation.       with soap and water.
Wash thoroughly after handling.      Clothing - Remove clothing
For industrial use only.             and wash before reuse.
Keep container closed.
Do not reuse this container.
Spec Sheet Dated: 12/14/95

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Updated: September 26, 1996