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PRODUCT DATA of Araldite AV138/HV998 (100/40 pbw)
MaterialAraldite AV138/HV998 (100/40 pbw)
Product Type2-part adhesive paste
Chemical CompositionEpoxy
Name of ManufacturerVantico Ltd.
Duxford, Cambridge CB2 4QA, UK
+44 (0)1223 832121
+44 (0)1223 493230
info@vantico.com
www.vantico.com
EXPERIENCE IN PRACTICE
Development StatusCommercial Product
Cost RangeLow
Lot ReproducibilityUnknown
Space ExperienceGood
PHYSICAL PROPERTIES
Pot Life30 min @ 23°C
ELECTRICAL PROPERTIES
Electrical Volume Resistivity1.9e13 @ 22 °C
THERMAL PROPERTIES
Thermal Conductivity0.35 W/m.K @ 30°C
Thermal Expansion Coefficient67 μstrain/°C
Remark: Between 18°C and 93°C
Glass Transition Temperature66 °C
Remark: T.M.A.
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
FlammabilityPass 24.5% O2
Test:NASA NHB 8060-1B
Offgassing StatusPass
Test:NASA NHB 8060-1A
Temperature Range(space)Up to 120°C
Test: Long term.
Outgassing StatusPass
Outgassing(Avg data)TML = 0.84%, RML =0.57%, CVCM = 0.02%
Test: ECSS-Q-70-02
SPECIAL RECOMMENDATIONS
Special RecommendationsMixing ratio 100 parts AV138 to 40 parts HV998 by weight. · The material is available in thicknesses of 12, 25, 50, 75 and 125 microns. · Sensitivity to water absorption by the catalyst before use. This may degrade outgassing and mechanical properties. · Does not pass odour test with cure at RT; passes with cure at 65°C. · Recommended cure time: 48 hours at room temperature. · AV138M is newer version of AV138