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PRODUCT DATA of Stycast 2850
MaterialStycast 2850
Product Datasheetstycast2850
General InformationThermally Conductive Epoxy Encapsulant
Processing and AssemblyTo be used with: catalyst 9 or catalyst 11 or catalyst 24LV
Product Type2-part potting resin.
Chemical CompositionEpoxy
Name of ManufacturerEmerson & Cumming
Nijerheidsstraat 7, B-2260 Westerlo, Belgium
+32 14 56 25 00
+32 14 56 25 01
www.emersoncuming.com
EXPERIENCE IN PRACTICE
Development StatusCommercial Product
Cost RangeLow
Lot ReproducibilityExcellent
Space ExperienceExtensive
PHYSICAL PROPERTIES
Specific Gravity2.3
Data Quality: Manufacturer's data
Viscosity70000 cP
Data Quality: Manufacturer's data
Pot Life45 min
Data Quality: Manufacturer's data
ELECTRICAL PROPERTIES
Electrical Volume Resistivity5e12 ohm.m @ 25 °C
Loss Factor0.02 @ 60 Hz.
Dielectric Constant6.5 @ 60 Hz.
Dielectric Strength15 kV/mm
Data Quality: Manufacturer's data
THERMAL PROPERTIES
Thermal Conductivity1.44 W/m.K @ 25 °C
Thermal Expansion Coefficient29 μstrain/°C
Data Quality: Manufacturer's data
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
FlammabilityPass (23.8% O2)
Test: NASA NHB 8060-1B
Toxicity/OffgassingPass
Test: NASA NHB 8060-1A
Temperature Range(space)Up to 205°C
Test: Manufacturer’s Data
Outgassing(Avg data)TML = 0.38%, RML =0.24%, CVCM = 0.01%
Test: ECSS-Q-70-02
Oxygen Index29.8
Test: ECSS-Q-70-21
Water Absorption< 0.15%
Test: Over 7 days
SPECIAL RECOMMENDATIONS
Special RecommendationsRecommended cure is 24 hours at room temperature, plus 4 hours at 60°C with catalyst 9. · Other catalysts are available for the same resin, but these will affect the properties: Catalyst 11 for high-temperature cure; Catalyst 24 LV for low viscosity. Some experience in space is available for both. · A derived resin (2850 KT) can be used for extremely high thermal conductance (4.2 W/m.K).