Magnolia Plastics Syntactic 99
Plastics for the Space Age Since 1957
Magnobond 99, Parts A & B
(Formerly called 97-163, A & B)
Tested to BMS 5-28, Type 18, Class II
DESCRIPTION
Magnobond 99, Parts A & B, is a two component epoxy syntactic potting
compound designed for robotic application. Magnobond 99 meets or
exceeds the requirements of BMS 5-28, Rev. V, Type 18, Class II.
PROPERTIES OF UNCURED MATERIAL
Part A Part B Mix
Specific Gravity 0.63 1.05 0.68-0.69
Viscosity Paste 3,000 cps Paste
Shelf Life 06 months 12 months
Color Off-white Black Light Gray
SPI Classification 4 4
Flash Point >200°F >200°F
Freight Class 1 2
MIXING INSTRUCTIONS
Mix Ratio: 100:14 parts by weight, A:B
11.9:1 parts by volume, A:B
Pot Life @ 77°F: 3-5 minutes (10 gram)
Cure Schedule: 7 days @ 77°F or 5 hours @ 125°F
per BMS 5-28, Rev. V, Type 18, Class II
CURED PROPERTIES
Shore Hardness, Room Temperature: 68-70D
Peak Exotherm, 10 gram mix: 155-160°F
Cure Schedule: 7 Days @ 75°F 5 Hours @ 125°F
Property Requirement
Gel Time, min. 3-5 3-4 max.
Density, gms/cc 0.67 - 0.70 0.70 max. avg
Compressive strength, psi 5680 5690 4,500 min. avg
Compressive modulus,
psi, X 105 4.10 3.85 2.0 min. avg.
Tensile shear strength, psi 2200 2000 1,000 min. avg.
Flammability, 12 sec. vertical
Extinguishing Time,
seconds 3.00 15.0 max
Burn length, inches 3.15 8.0 max
Drip, Extinguishing Time,
seconds No drip 5.0 max
Fluid Immersion, % weight gain
TT-S-735, Type III, Test Fluid
-0.24 1.5 max. avg.
Mil-H-5606 Hydraulic Fluid
0.88 2.6 max. avg.
Monsanto Low Density Aviation
Hydraulic Test Fluid 1.16 5.0 max. avg.
Distilled Water 0.54 2.5 max. avg.
Extrudability, Part A
60 psi 52.50 40 gms/minute
70 psi 64.00 min.
80 psi 81.00
Insert Strength(1)
Pull-out, lbs. 450 250 min.
Torque, inch-lbs. 70-75 60 min.
Potted Inserts
Tab Lift-Off, minutes(2) 20-22 15-25 minutes
(1) Cure: 3 hours at 75°F
(2) 10 Grams A plus B mixed for two minutes in a 3 ounce cup. Inserts
potted as quickly as possible. Above recorded from time insert was
potted.
All test specimens were prepared with Part A at 100°F
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: 03/11/93
For more information, contact us at:
Sales Division
Magnolia Plastics, Inc.
5547 Peachtree Industrial Boulevard
Chamblee, GA 30341-2296 USA
770-451-2777, Voice
770-451-5376, FAX
800-831-8031, Voice
Email: sales@magnapoxy.com
How To Order:
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Copyright © 1996, Magnolia Plastics, Inc. All Rights Reserved, including
the right of reproduction in whole or in part in any form. The stylized Magnolia Plastics logo is a
regsitered trademark of Magnolia Plastics, Inc.
Contact Magnolia at sales@magnapoxy.com
Updated: March 31, 1996