Magnolia Plastics
Electrically & Thermally Conductive Compound
Magnobond 108-059, Parts A & B

Plastics for the Space Age Since 1957


Magnobond 108-059, Parts A & B

DESCRIPTION

Magnolia 108-059, Parts A and B is a low viscosity potting compound designed for protecting electrical devices over a broad temperature range. Magnolia 108-059, A/B is a color coded version of 106-349, A/B.

PRODUCT SYNOPSIS 
Specific Gravity:                  Cure Schedule:  Overnight @ R.T. = 

 A:  Compound       1.6              Set.  3-5 days = Full Cure or    
                                     1-3 hours at 50-80°C             
 B:  Curing Agent   1.6                                               

     Mix            1.6            Shelf Life:  A: 6 mos.  B: 6 mos.  

Viscosity @ 77°F:                  Properties Before Cured:

 A:  Compound     18,000 cps       SPI Classification: A:  4   B:  4  

 B:  Curing Agent 12,000 cps       Flash Point: A: >200°F  B: >200°F  

     Mix          14,000 cps       Flammable:         YES       YES
                                   Under 100°F:   A:   NO    B:  NO

Mix Ratio:                         Combustible:       YES       YES
100:31     Parts by Weight, A:B      100-200°F:   A:   NO    B:  NO

           Parts by Volume, A:B     Corrosive:        YES       YES
                                                  A:   NO    B:  NO

Pot Life @ 77°F:    1 hour    Freight Class:  A:      1     B:    2
OTHER PROPERTIES AND INFORMATION 
Thermal Shock, Olyphant Washer Test, +155°C to -55°C - 4 of 5 pass 5
cycles.
Insulation Resistance at 100°C = 7 X 109 ohms

     Coefficient of Linear Thermal Expansion
     -30 to +30°C   (ASTM D-696)               39.7 X 10-6 in/in/°C

     Dielectric Strength (ASTM D-149)              411 volts/MIL

     Dielectric Constant (ASTM D-150)              4.14

     Dissipation Factor (ASTM D-150)                .01

     Mold Shrinkage (SPI RG-1-2)             Too minimal to measure

     Modulus of Elasticity (ASTM D-638)            880,891 psi

     Tensile Strength (ASTM D-638)                 4378 psi

     Thermal Conductivity (ASTM D-2214)      1 X 10-3 cal cm/sec cm2 °C

     Elongation (ASTM D-638)                       .63%
Spec Sheet Dated: 11/18/93

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