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PRODUCT DATA of RTV S 695
MaterialRTV S 695
Safety Datasheetrtv s695 msds
Product TypeTwo-part, room-temperature-vulcanising adhesive.
Chemical CompositionSilicone.
Name of ManufacturerWacker-Chemie GmbH
Johannes-Hess-Str. 24, D-84489 Burghausen, Germany
+49-86 77-83-20 04
+49-86 77-83-55 91
www.wacker.de
EXPERIENCE IN PRACTICE
Development StatusSpecial Commercial Product
Cost RangeVery High
Lot ReproducibilityGood
Space ExperienceFair
PHYSICAL PROPERTIES
Viscosity66 cP
Remark:Initial
Data Quality: Manufacturer's data
Pot Life480 min @ 23°C
Data Quality: Manufacturer's data
Shelf Life12 month @RT
Data Quality: Manufacturer's data
THERMAL PROPERTIES
Thermal Conductivity0.21 W/m.K @ 93.5°C
Thermal Expansion Coefficient320 μstrain/°C
Remark:23°C to 100°C 76 x 10-6 /°C for -180°C to -140°C
Brittleness Temperature-110 °C
Data Quality: Manufacturer's data
Glass Transition Temperature-110 °C
Remark: TMA
OPTICAL PROPERTIES
Refractive Index1.42 to 1.43 @ 25°C
Data Quality: Manufacturer's data
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
UV ResistanceSimilar to that of DC 93500
FlammabilitySelf Extinguishing Burnt
Test:NASA NHB 8060-1B 21% O2 NASA NHB 8060-1B 24.5% O2
Thermal CyclingPass
Test:ECSS-Q-70-04
Temperature Range(space)-180°C to +200°C.
Outgassing StatusPass
OutgassingTML = 0.05%, RML =0.04%, CVCM = 0.01%
Test:ECSS-Q-70-02
SPECIAL RECOMMENDATIONS
Special RecommendationsRecommended proportions are 90 pbw A to 10 pbw B. Thorough mixing is necessary. · Cure: 7 days at room temperature. · Mechanical resistance of this adhesive is low. Its use is mainly for optical purposes; a typical application being as a solar-cell cover-glass adhesive.