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Technical Data Sheet TRA-DUCT 2902 June-2010 PRODUCT DESCRIPTION TRA-DUCT 2902 provides the following product characteristics: Technology Epoxy Appearance Silver Filler Type Silver Cure Room Temperature or Heat Cure Components Two component - requires mixing Product Benefits • Electrically conductive • Thermally conductive • Solvent-free • High adhesion • Two component • Room temperature cure • Good adhesion to a variety of substrates Mix Ratio, by weight 100 : 6 Resin : Hardener Typical Assembly Electrical modules, Printed circuitry, Applications Wave guides, Flat cables, High frequency shields and Cold solder Operating Temperature -60 to 110 °C Application Bonding, Sealing or Repair Surfaces Ceramics, Many metals, Glass and Plastic laminates TYPICAL PROPERTIES OF CURED MATERIAL Physical Properties: Coefficient of Thermal Expansion, cm/cm/ºC Glass Transition Temperature (Tg), °C Thermal Conductivity, W/mk Hardness, Shore D 4.9×10-05 52 2.99×1000 80 Electrical Properties: Volume Resistivity, ohms-cm: 1 hour @ 110°C 15 minutes @ 150ºC 2 hours @ 65ºC 24 hours @ 25ºC 5 minutes @ 160ºC 0.0006 0.0005 0.0009 0.001 0.0003 Outgassing Properties: Total Mass Loss, % Collected Volatile Condensable Material, % TYPICAL PERFORMANCE OF CURED MATERIAL Lap Shear Strength : Aluminum: Cured @ 110 °C for 1 hour TRA-DUCT 2902 is designed for electronic bonding and sealing applications that require a combination of good mechanical and electrical properties. Cured @ 150 °C for 15 minutes TRA-DUCT 2902 passes NASA outgassing standards. Cured @ 25 °C for 24 hours ISO-10993-5 TRA-DUCT 2902 was tested to and passed the requirements of ISO 10993-5 for Cytotoxicity. TYPICAL PROPERTIES OF UNCURED MATERIAL Mixed Viscosity, mPa·s (cP) : cp #52, 10 rpm Specific Gravity, mixed Pot life , minutes Flash Point - See MSDS 20,000 3.2 60 TYPICAL CURING PERFORMANCE Cure Schedule 24 hours @ 25°C or 1 to 4 hours @ 65°C The above cure profile is a guideline recommendation. Cure conditions (time and temperature) may vary based on customers' experience and their application requirements, as well as customer curing equipment, oven loading and actual oven temperatures. 0.64 0.05 Cured @ 65 °C for 2 hours N/mm² (psi) N/mm² (psi) N/mm² (psi) N/mm² (psi) 11 (1,600) 11 (1,600) 7 (1,000) 5 (700) GENERAL INFORMATION For safe handling information on this product, consult the Material Safety Data Sheet, (MSDS). DIRECTIONS FOR USE 1. Carefully clean and dry all surfaces to be bonded. 2. Remove clamp and thoroughly mix the TRA-DUCT 2902 epoxy adhesive system components in the handy BIPAX mixing-dispenser package until color is uniform throughout. 3. Apply this completely mixed adhesive to the prepared surfaces, and gently press these surfaces together. Contact pressure is adequate for strong, reliable bonds; however, maintain contact until adhesive is completely cured. 4. Some separation of components is common during shipping and storage. For this reason, it is recommended that the contents of the shipping container be thoroughly mixed prior to use. 5. Some ingredients in this formulation provided in BIPAX, TRA-PAX and bulk packaging may crystallize when subjected to low temperature storage. A gentle warming cycle of 52ºC for 30 minutes prior to mixing components may be necessary. Crystallized epoxy components do not react as well as liquid components and should be redissolved prior to use for best results. Not for product specifications The technical data contained herein are intended as reference only. Please contact your local quality department for assistance and recommendations on specifications for this product. Storage Store product in the unopened container in a dry location. Storage information may be indicated on the product container labeling. Optimal Storage: 27 °C Material removed from containers may be contaminated during use. Do not return product to the original container. Henkel Corporation cannot assume responsibility for product which has been contaminated or stored under conditions other than those previously indicated. If additional information is required, please contact your local Technical Service Center or Customer Service Representative. Conversions (°C x 1.8) + 32 = °F kV/mm x 25.4 = V/mil mm / 25.4 = inches N x 0.225 = lb N/mm x 5.71 = lb/in N/mm² x 145 = psi MPa x 145 = psi N·m x 8.851 = lb·in N·m x 0.738 = lb·ft N·mm x 0.142 = oz·in mPa·s = cP Americas +1.888.943.6535 Note The data contained herein are furnished for information only and are believed to be reliable. We cannot assume responsibility for the results obtained by others over whose methods we have no control. It is the user's responsibility to determine suitability for the user's purpose of any production methods mentioned herein and to adopt such precautions as may be advisable for the protection of property and of persons against any hazards that may be involved in the handling and use thereof. In light of the foregoing, Henkel Corporation specifically disclaims all warranties expressed or implied, including warranties of merchantability or fitness for a particular purpose, arising from sale or use of Henkel Corporation’s products. Henkel Corporation specifically disclaims any liability for consequential or incidental damages of any kind, including lost profits. The discussion herein of various processes or compositions is not to be interpreted as representation that they are free from domination of patents owned by others or as a license under any Henkel Corporation patents that may cover such processes or compositions. We recommend that each prospective user test his proposed application before repetitive use, using this data as a guide. This product may be covered by one or more United States or foreign patents or patent applications. Trademark usage Except as otherwise noted, all trademarks in this document are trademarks of Henkel Corporation in the U.S. and elsewhere. ® denotes a trademark registered in the U.S. Patent and Trademark Office. Reference 0.3 Europe +44.1442.278.000 Asia +86.21.3898.4800 For the most direct access to local sales and technical support visit: www.henkel.com/electronics