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Technical Data Sheet LOCTITE STYCAST 2850FT August-2016 PRODUCT DESCRIPTION LOCTITE STYCAST 2850FT provides the following product characteristics: Technology Epoxy Appearance (Resin) Black Product Benefits ● Thermally conductive ● Electrically insulative ● Thermal shock resistant ● Low CTE ● Can be used with a variety of catalysts Application Thermally conductive epoxy encapsulant Typical Assembly Applications Encapsulating LOCTITE STYCAST 2850FT is recommended for encapsulation of components that require heat dissipation and thermal shock properties. LOCTITE STYCAST 2850FT is also available in the unpigmented version. LOCTITE STYCAST 2850FT can be used with LOCTITE CAT 9, LOCTITE CAT 11, LOCTITE CAT 23LV or LOCTITE CAT 24LV CATALYST DESCRIPTION LOCTITE CAT 9 provides the following product characteristics: Product Benefits ● General purpose ● Good chemical resistance ● Good physical strength Cure Room temperature cure Mix Ratio, by weight - 100 : 3.5 Material:Catalyst Mix Ratio, by Volume - 100 : 8.5 Material:Catalyst Operating Temperature -40 to 130ºC LOCTITE CAT 11 provides the following product characteristics: Product Benefits ● Long pot life ● Excellent chemical resistance ● Good physical and chemical properties at elevated temperatures Cure Heat cure Mix Ratio, by weight - 100 : 4.5 Material:Catalyst Mix Ratio, by Volume - 100 : 9.5 Material:Catalyst Operating Temperature -55 to 155ºC LOCTITE CAT 23LV provides Product Benefits ● ● ● ● the following product characteristics: Low color Low viscosity Long pot life Excellent thermal shock and impact resistance ● Excellent low temperature properties ● Excellent adhesion to glass Room temperature cure 100 : 7.5 Cure Mix Ratio, by weight Material:Catalyst Mix Ratio, by Volume - 100 : 17.5 Material:Catalyst Operating Temperature -65 to 105ºC LOCTITE CAT 24LV provides the following product characteristics: Product Benefits ● Low viscosity ● Excellent adhesion ● Thermal shock and impact resistant ● Excellent low temperature properties ● Fast cure Cure Room Temperature Mix Ratio, by weight - 100 : 8 Material:Catalyst Mix Ratio, by Volume - 100 : 17.5 Material:Catalyst Operating Temperature -65 to 105ºC LOCTITE CAT 27-1 provides Product Benefits ● ● ● the following product characteristics: Long pot life Excellent chemical resistance Good physical and chemical properties at elevated temperatures Heat cure 100 : 7.0 Cure Mix Ratio, by weight Material:Catalyst Mix Ratio, by Volume - 100 : 16.5 Material:Catalyst Operating Temperature -40 to +175ºC - Continuous Operating Temperature -40 to +200ºC - Intermittent TDS LOCTITE STYCAST 2850FT, August-2016 TYPICAL UNCURED PROPERTIES LOCTITE STYCAST 2850FT Brookfield Viscosity , mPa·s (cP): Spindle 7, Speed 10 rpm 250,000 Brookfield Viscosity - Small Sample Adapter, mPa·s (cP): (Equivalent Parameters) Spindle 14, speed 3 rpm 250,000 Density, g/cm³ 2.4 Shelf Life @ 18 to 25°C (from date of manufacture), 365 days Flash Point - See SDS TYPICAL CURING PERFORMANCE Cure Schedule LOCTITE STYCAST 2850FT with LOCTITE CAT 9 16 to 24 hours @ 25°C 4 to 6 hours @ 45°C 1 to 2 hours @ 65°C LOCTITE STYCAST 2850FT with LOCTITE CAT 11 8 to 16 hours @ 80°C 2 to 4 hours @ 100°C 30 to 60 minutes @ 120°C 92 1.0 LOCTITE STYCAST 2850FT with LOCTITE CAT 23LV 16 to 24 hours @ 25°C 4 to 6 hours @ 45°C 2 to 4 hours @ 65°C LOCTITE CAT 11 Viscosity @ 25 °C, mPa∙s (cP) Flash Point - See SDS 48 LOCTITE STYCAST 2850FT with LOCTITE CAT 24LV 8 to 16 hours @ 25°C 4 to 6 hours @ 45°C 2 hours @ 65°C LOCTITE CAT 23LV Viscosity @ 25 °C, mPa∙s (cP) Flash Point - See SDS 25 LOCTITE STYCAST 2850FT with LOCTITE CAT 27-1 4 hours @ 120°C LOCTITE CAT 9 Viscosity @ 25 °C, mPa∙s (cP) Density, g/cm³ Flash Point - See SDS LOCTITE CAT 24LV Viscosity @ 25 °C, mPa∙s (cP) Density, g/cm³ Flash Point - See SDS 35 1.02 LOCTITE CAT 27-1 Viscosity @ 25 °C, mPa∙s (cP) Density, g/cm³ Flash Point - See SDS 300 1.05 TYPICAL UNCURED PROPERTIES AS MIXED LOCTITE STYCAST 2850FT with LOCTITE CAT 9 Viscosity @ 25 °C, mPa∙s (cP) Density, g/cm³ Work Life, 100 gram mass, @ 25ºC, minutes LOCTITE STYCAST 2850FT with LOCTITE CAT 11 Viscosity @ 25 °C, mPa∙s (cP) Density, g/cm³ Work Life, 100 gram mass, @ 25ºC, hours 58,000 2.29 45 64,000 2.29 4 LOCTITE STYCAST 2850FT with LOCTITE CAT 23LV Viscosity @ 25 °C, mPa∙s (cP) 5,600 Density, , g/cm³ 2.19 Work Life, 100 gram mass, @ 25ºC, hour 1 LOCTITE STYCAST 2850FT with LOCTITE CAT 24LV Work Life, 100 gram mass, @ 25ºC, minutes 30 LOCTITE STYCAST 2850FT with LOCTITE CAT 27-1 Work Life, 100 gram mass, @ 25ºC Americas +1.888.943.6535 For optimum performance, follow the initial cure with a post cure of 2 to 4 hours at maximum expected operating temperature. The above cure profiles are guideline recommendations. 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. TYPICAL PROPERTIES OF CURED MATERIAL LOCTITE STYCAST 2850FT with LOCTITE CAT 9 Physical Properties Hardness, Shore D Linear Shrinkage, % Water Absorption (24 hr immersion), % Coefficient of Thermal Expansion : Alpha 1, ppm Alpha 2, ppm Glass Transition Temperature, °C Thermal Conductivity, W/(m-K) Electrical Properties Dielectric Strength, kV/mm Dielectric Constant / Dissipation Factor: @ 1mHz Volume Resistivity @ 25 °C, ohm-cm 96 0.2 0.03 35.0 98.9 86 1.25 14.4 5.01/0.028 1×1015 Outgassing Properties Outgassing , per NASA Reference Publication 1124: Cured 24 hours @ 25ºC TML, % 0.25 CVCM, % 0.01 Europe +32.1457.5611 Asia +86.21.3898.4800 For the most direct access to local sales and technical support visit: www.henkel.com/electronics TDS LOCTITE STYCAST 2850FT, August-2016 LOCTITE STYCAST 2850FT with LOCTITE CAT 11 Physical Properties Hardness, Shore D Linear Shrinkage, % Water Absorption (24 hr immersion), % Coefficient of Thermal Expansion : Alpha 1, ppm Alpha 2, ppm Glass Transition Temperature, °C Thermal Conductivity, W/(m-K) Electrical Properties Dielectric Strength , kV/mm Dielectric Constant/ Dissipation Factor: @ 1 MHz Volume Resistivity @ 25 °C, ohm-cm 96 0.2 0.05 31.2 97.9 115 1.28 15.0 5.36/0.043 1×1015 Outgassing Properties Outgassing , per NASA Reference Publication 1124: Sample cured 4 hours @ 80ºC TML, % 0.29 CVCM, % 0.02 LOCTITE STYCAST 2850FT with LOCTITE CAT 23LV Physical Properties Hardness, Shore D 92 Linear Shrinkage, , % 0.3 Water Absorption (24 hr immersion), % 0.02 Coefficient of Thermal Expansion : Alpha 1, ppm 39.4 Alpha 2, ppm 111.5 Glass Transition Temperature, °C 68 Thermal Conductivity, W/(m-K) 1.1 Electrical Properties Volume Resistivity @ 25 °C, ohm-cm Dielectric Constant / Dissipation Factor: @ 1 mHz Dielectric Strength , kV/mm 1×1015 5.36/0.051 14.8 LOCTITE STYCAST 2850FT with LOCTITE CAT 24LV Physical Properties Hardness, Shore D 92 Linear Shrinkage, % 0.51 Water Absorption (24 hr immersion), % 0.14 Coefficient of Thermal Expansion : Alpha 1, ppm 47 Alpha 2, ppm 120 Glass Transition Temperature (Tg), °C 39 Thermal Conductivity, W/(m-K) 1.01 Electrical Properties Volume Resistivity @ 25ºC, ohm-cm Surface Resistivity, ohms Dielectric Constant / Dissipation Factor: @ 1 MHz Americas +1.888.943.6535 2.0×1014 7.2×1015 6.0/0.037 LOCTITE STYCAST 2850FT with LOCTITE CAT 27-1 Physical Properties Hardness, Shore D Linear Shrinkage, % Water Absorption: After 1 day @ RT After 7 days @ RT After 1 hour @ 100 °C Coefficient of Thermal Expansion , TMA: Alpha 1, ppm Alpha 2, ppm Glass Transition Temperature, °C: Tan δ Onset Point Thermal Conductivity , W/(m-K) Young's modulus (E) : @ 35°C N/mm² (psi) @ 50°C N/mm² (psi) @ 100°C N/mm² (psi) @ 150°C N/mm² (psi) Weight Loss, %: @ 200 °C @ 250°C @ 300°C @ 700°C Electrical Properties Surface Resistivity, ohms Volume Resistivity, ohm-cm Dielectric Constant / Dissipation Factor: @ 50 Hz @ 1 KHz @ 1 MHz 94 0.23 0.06 0.08 0.12 42 120 132 114 1.066 6,413 (930,127) 6,266 (908,806) 4,898 (710,394) 85 (12,328) 0.04 0.14 0.26 27.5 7.4×1016 2.5×1015 5.8/0.022 5.6/0.016 5.2/0.029 TYPICAL CURED PERFORMANCE AS MIXED LOCTITE STYCAST 2850FT with LOCTITE CAT 9 Miscellaneous Flexural Strength N/mm² (psi) Compressive Strength N/mm² (psi) 92 (13,300) 155 (22,500) LOCTITE STYCAST 2850FT with LOCTITE CAT 11 Miscellaneous Flexural Strength N/mm² (psi) Compressive Strength N/mm² (psi) 117 (17,000) 193 (27,900) LOCTITE STYCAST 2850FT with LOCTITE CAT 23LV Miscellaneous Flexural Strength N/mm² 106 (psi) (15,300) Compressive Strength N/mm² 120 (psi) (17,400) Europe +32.1457.5611 Asia +86.21.3898.4800 For the most direct access to local sales and technical support visit: www.henkel.com/electronics TDS LOCTITE STYCAST 2850FT, August-2016 GENERAL INFORMATION For safe handling information on this product, consult the Safety Data Sheet, (SDS). DIRECTIONS FOR USE 1. Certain resins and hardeners are prone to crystallization. If crystallization does occur, warm the contents of the shipping container to 50 to 60ºC until all crystals have dissolved. Shipping container must be loosely covered during the warming stage to prevent any pressure build-up. 2. Allow contents to cool to room temperature before continuing. 3. Complete cleaning of the substrates should be performed to remove contamination such as oxide layers, dust, moisture, salt and oils which can cause poor adhesion or corrosion in a bonded part. 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. Power mixing is preferred to ensure a homogeneous product. 6. Accurately weigh resin and hardener into a clean container in the recommended ratio. Weighing apparatus having an accuracy in proportion to the amounts being weighed should be used. 7. Blend components by hand, using a kneading motion, for 2 to 3 minutes and scrape the bottom and sides of the mixing container frequently to produce a uniform mixture. 8. If possible, power mix for an additional 2 to 3 minutes. Avoid high mixing speeds. This can entrap excessive amounts of air. It can also cause overheating of the mixture, resulting in reduced working life. 9. To ensure a void-free embedment, vacuum deairing or degassing should be performed to remove any entrapped air introduced during the mixing operation. 10. Vacuum deair mixture at 1 to 5mm mercury. The foam will rise several times the liquid height and then subside. 11. Continue vacuum deairing until most of the bubbling has ceased. This usually takes 3 to 10 minutes. 12. To facilitate deairing in difficult to deair materials, add 1 to 3 drops of an air release agent, such as ANTIFOAM 88 into 100 gram of mixture. 13. Gentle warming will also help, but pot life will be shortened. 14. Pour mixture into cavity or mold. 15. Gentle warming of the mold or assembly reduces the viscosity. This improves the flow of the material into the unit having intricate shapes or tightly packed coils or components. 16. Further vacuum deairing in the mold may be required for critical applications. Storage Store product in the unopened container in a dry location. Storage information may be indicated on the product container labeling. Optimal Storage : 18 to 25 °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. 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. 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 psi x 145 = N/mm² MPa = N/mm² N·m x 8.851 = lb·in N·m x 0.738 = lb·ft N·mm x 0.142 = oz·in mPa·s = cP Disclaimer Note: The information provided in this Technical Data Sheet (TDS) including the recommendations for use and application of the product are based on our knowledge and experience of the product as at the date of this TDS. The product can have a variety of different applications as well as differing application and working conditions in your environment that are beyond our control. Henkel is, therefore, not liable for the suitability of our product for the production processes and conditions in respect of which you use them, as well as the intended applications and results. We strongly recommend that you carry out your own prior trials to confirm such suitability of our product. Any liability in respect of the information in the Technical Data Sheet or any other written or oral recommendation(s) regarding the concerned product is excluded, except if otherwise explicitly agreed and except in relation to death or personal injury caused by our negligence and any liability under any applicable mandatory product liability law. In case products are delivered by Henkel Belgium NV, Henkel Electronic Materials NV, Henkel Nederland BV, Henkel Technologies France SAS and Henkel France SA please additionally note the following: In case Henkel would be nevertheless held liable, on whatever legal ground, Henkel’s liability will in no event exceed the amount of the concerned delivery. In case products are delivered by Henkel Colombiana, S.A.S. the following disclaimer is applicable: The information provided in this Technical Data Sheet (TDS) including the recommendations for use and application of the product are based on our knowledge and experience of the product as at the date of this TDS. Henkel is, therefore, not liable for the suitability of our product for the production processes and conditions in respect of which you use them, as well as the intended applications and results. We strongly recommend that you carry out your own prior trials to confirm such suitability of our product. Any liability in respect of the information in the Technical Data Sheet or any other written or oral recommendation(s) regarding the concerned product is excluded, except if otherwise explicitly agreed and except in relation to death or personal injury caused by our negligence and any liability under any applicable mandatory product liability law. In case products are delivered by Henkel Corporation, Resin Technology Group, Inc., or Henkel Canada Corporation, the following disclaimer is applicable: 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 3 Americas +1.888.943.6535 Europe +32.1457.5611 Asia +86.21.3898.4800 For the most direct access to local sales and technical support visit: www.henkel.com/electronics