FLEXOBOND 442 BLACK
1 of 2 products in this brandFLEXOBOND 442 BLACK is a thermally conductive polyurethane adhesive with low outgassing properties. It is specifically designed for bonding glass diodes or other stress-sensitive components. This adhesive offers excellent electrical properties and high flexibility. It is well-suited for circuit board assembly and protection in space exploration applications.
RTU Product Type: Reactive Adhesive
Application Area: Aerospace Applications, Circuit Board Connectors
Chemical Family: Polyurethanes (PU)
Features: Good Electrical Properties, Good Flexibility, Low Outgassing, Thermally Conductive
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Type Document Name
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Technical Data SheetFLEXOBOND 442 Black Technical Data Sheet
Enhanced TDS
Identification
- Chemical Family
- GBU
- RTU Product Type
- Categories
Applications
- Application Area
- Segment
Applications & Uses
- Usage Information
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- Remove the syringe or tube from the freezer and allow to warm to Room Temperature tor about ten minutes. Be sure that all surfaces to be bonded are clean and dry. Apply and cure as recommended. It is acceptable to gel at Room Temperature overnight before heat curing.
Features
- Ready-to-Use Product Features
Packaging & Availability
- Regional Availability
- Packaging Information
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- FLEXOBOND 442 Black is avallable only premixed. degassed and frozen and packaged in a variety of containers as described on Data Sheet No. 2032.
Properties
- Typical Properties
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Value Units Test Method / Conditions Storage Temperature (shelf life 3 months) -40 °F - Storage Temperature (shelf life 6 months) -100 to -120 °F - - Cured Properties
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Value Units Test Method / Conditions Dielectric Constant (at 1 kHz) 7.16 - - Dielectric Strength 370 V/mil - Dissipation Factor (at 1 kHz) 0.11 - - Fungi Resistance None - ASTM E21-90 Hardness 78 Shore A Shore Durometer Scale Lap Shear Strength (to aluminum) 500 psi - Moisture Content (at 200°F, 7 days, in water) 2.91 % - Moisture Content (at 77°F, in water, 7 days) 0.14 % - Specific Gravity 1.99 - - Thermal Conductivity 6 btu∙in/h∙ft²∙°F - Volatile Content (at 212°F, cure for 2h, collectible volatlle condensible material) 0.011 % ASTM E595-84 Volume Resistivity 1x10¹² Ω-cm - Weight Loss (at 212°F, cure for 2h, Test method year 1984) 0.471 % ASTM E595 - Uncured Properties
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Value Units Test Method / Conditions Curing Time (at 180°F) 2 hours - Viscosity (at 77°F) Paste - - Work Life (at 77°F) 4 hours -
Safety & Health
- Safety Information
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- Use with adequate ventilation. Avoid contact with skin or clothlng. In case or contact. flush immediately with plenty of water. Keep containers tightly closed when not in use. WARNING: FLEXOBOND 442 BLACK contains an isocyanate which ls a strong skin sensitizer and may cause severe irritation to mucous membranes. Avoid contact with skin and eyes and avoid breathing vapors. In case of skin contact. wash promptly with 99% isopropyl alcohol (rubbing alcohol is NOT suitable). then soap and water. Curing ovens should be ventilated outdoors. All users should wash thoroughly. If un-cured material gets into eyes. flush with water for 15 minutes. Also. call a physician at once.
Storage & Handling
- Storage and Shelf Life Information
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- The Shelf Llfe of FLEXOBOND 442 Black is at least three months when stored at a temperature of -40°F, or colder. Storage at -100°F to -120°F will extend the Shelf Life to six months.
- Shelf Life
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3 months (at -40°F), 6 months (at -100 to -120°F)