Magnolia Plastics Syntactic 91

Plastics for the Space Age Since 1957


Magnobond 91, Parts A & B

DESCRIPTION

Magnobond 91 is a two part room temperature curing, self-extinguishing low density epoxy potting compound.

SPECIAL FEATURES
MIX RATIO
     Magnobond 91, Part A         100 Parts by weight
     Magnobond 91, Part B          22 Parts by weight

CURE SCHEDULE
     24 hours at 75°F or 5 hours at 125°F.

                                                    BMS 5-28
PROPERTIES                    MAGNOBOND 91        REQUIREMENTS
----------                    -------------       ------------------
Gel Time, R.T., Minutes       65-70 minutes        60 minutes

Flow, in., R.T.                 < 0.1             0.2 maximum
           125°F                < 0.1             0.2 maximum

Density, Grams/cc             0.680-0.700         0.7 maximum

Compressive Strength, psi        7,000              6,500 minimum

Compressive Modulus, psi       305,000            250,000 minimum

Tensile Shear Strength, psi      1570               1,000 minimum

Flammability, Horizontal      Self-extinguishing  Self-extinguishing
              Vertical        Self-extinguishing  Self-extinguishing
                                                  within 10 seconds

Immersion, % Weight Gain,
24 hours, R.T.
     Diesel Fuel                 0.56             1.5 maximum
     Hydraulic Oil               0.54             2.6 maximum
     Distilled Water             0.53             2.5 maximum

Handling Properties           Satisfactory        Satisfactory

Dielectric Constant
     R.T., 9.375 GHz             2.09

Loss Tangent
     R.T., 9.375 GHz             0.020


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: 03/22/93


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