Magnolia Plastics Adhesives Magnobond 6398
Plastics for the Space Age Since 1957
Magnobond 6398, Parts A & B
DESCRIPTION
Magnobond 6398, Parts A & B is a two component thixotropic paste epoxy
system designed for bonding metals and composite structures. Magnobond
6398 has good properties at high and low temperatures using a room
temperature cure.
SPECIAL FEATURES
1. 6398 is the same as 6392 but without spacer beads for bondline
control.
2. QPL listed under Rockwell Specification RBO-120-023.
3. QPL listed under Textron/Bell Specification 299-947-100, Type II, Class 2.
PROPERTIES
Mix Ratio: 100:27 parts by weight, A & B
Pot Life: 3 oz. at 77°F: 80 minutes
Cure Schedule: 7 days at 77°F or 1 hour at 150°-250°F.
Note: At room temperature, most of the
curing process is completed during the
first 12 to 24 hours.
Shelf Life: Parts A and B: 6 months at 75°F or below
or 12 months @ 40°F or below
Specific Gravity: A: Compound 1.3
B: Curing Agent 1.0
Mix: 1.25
Viscosity:
6398: A: Compound - Paste
B: Curing Agent - Paste
Mix: Paste
CURED PROPERTIES
Lap Shear Strength, ASTM D1002, Al to Al
Test Conditions Test Value
---------------------------------- -----------
10 minutes at -67°F 4,200 psi
75°F 4,700 psi
10 minutes at 250°F 3,000 psi
10 minutes at 300°F 2,100 psi
10 minutes at 350°F 900 psi
10 minutes at 400°F 400 psi
75°F after 30 days at 120°F
and 95% relative humidity 3,800 psi
75°F after 7 days in hydraulic oil 4,200 psi
75°F after 7 days in JP-4 3,600 psi
Creep rupture, 75°F, 1600 psi <0.005 inch
Creep rupture, 75°F, 800 psi <0.005 inch
The above values were obtained using a cure schedule of 7 days at room
temperature.
Lap Shear Strength
Testing to FMS-4500A, Form l - Metallic Filler
Test Values, psi
Require-
Test Conditions 5 day/R.T. Cure 2 hours/250°F Cure ment
10 minutes at -67°F 4,800 4,800 2,700
75°F 4,600 5,000 4,000
10 minutes at 200°F 2,400 3,400 2,000
10 minutes at 300°F 1,700 2,000 1,600
7 days water immersion
75°F 4,200 5,000 3,000
200°F 3,100 3,000 1,800
Require-
Test Conditions 5 day/R.T. Cure 2 hours/250°F Cure ment
7 days, Condensing humidity
75°F 4,200 4,200 3,000
200°F 2,800 2,800 1,800
7 days MIL-L-7808 (Engine Oil)
75°F 4,500 4,500 2,700
200°F 3,100 3,300 2,000
7 days MIL-H-83282 (Hydraulic Oil)
75°F 4,800 4,600 2,700
200°F 3,300 3,300 2,000
7 days MIl-H-5606 (Hydraulic Oil)
75°F 4,800 3,900 2,900
200°F 3,100 3,500 2,000
7 days MIL-T-5624 (JP-4)
75°F 4,400 4,600 2,700
200°F 2,800 3,700 2,000
7 days MIL-A-8243 (Anti-Icing)
Type I
75°F 4,700 5,000 2,700
200°F 2,300 3,300 2,000
Type II
75°F 4,200 4,200 2,700
200°F 2,800 2,800 2,000
Tensile Properties (ASTM D-638)
Tensile Strength @ R.T. 6,000 psi
@ 225°F 3,000 psi
Tensile Elongation @ R.T. 3.10%
@ 225°F 3.70%
Compressive Properties (ASTM D-695)
Ultimate Compressive Strength @ R.T. 10,000 psi
@ 225°F 3,700 psi
Compressive Modulus @ R.T. 300,000 psi
@ 225°F 200,000 psi
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
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
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Contact Magnolia at sales@magnapoxy.com
Updated: September 26, 1996
