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	PRODUCT DATA of RTV 566

Material	RTV 566
General Information	RTV566 silicone rubber compound is a two-part product processed and tested for applications where low outgassing is required.
Product Type	Two-part, adhesive, sealant, potting.
Chemical Composition	Silicone (methyl, phenyl).
Name of Manufacturer	GE Silicones 260 Hudson River Rd, Waterford, New York 12188, USA +1 518 237 3330 www.gesilicones.com GE Silicones Europe PO Box 117, NL-4600 Bergen op Zoom, The Netherlands +31 16429 3882, +800 4321 1000 +31 16429 1819 www.gesilicones.com

	EXPERIENCE IN PRACTICE

Development Status	Special Commercial Product
Cost Range	Very High
Lot Reproducibility	Good
Space Experience	Extensive

	PHYSICAL PROPERTIES

Specific Gravity	1.51 Data Quality: Manufacturer's data
Viscosity	42700 cP Data Quality: Manufacturer's data
Pot Life	30 min
Shelf Life	4 month Data Quality: Manufacturer's data

	ELECTRICAL PROPERTIES

Electrical Volume Resistivity	1e13 ohm.m
Loss Factor	0.006 @ 60 Hz.
Dielectric Constant	4.2 @ 60 Hz.
Dielectric Strength	19.7 kV/mm

	THERMAL PROPERTIES

Thermal Conductivity	0.3 W/m.K
Thermal Expansion Coefficient	200 μstrain/°C

	OPTICAL PROPERTIES

Solar Absorbtance

0.65 Remark: ECSS-Q-70-09

	RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY

Thermal Cycling	Pass Test: ECSS-Q-70-04
Temperature Range(space)	-115°C to 315°C max. Data Quality: Manufacturer's data
Outgassing	TML = 0.27%, RML =0.23%, CVCM = 0.03% Test: ECSS-Q-70-02
Oxygen Index	23.6% (0.5 mm thick) Test:ECSS-Q-70-21

	SPECIAL RECOMMENDATIONS

Special Recommendations

Recommended proportions: 100 pbw part A, 0.2 pbw part B. Thorough mixing is necessary. · Cure 7 days at room temperature. · For superior adhesion, use primer DC 1200 (Dow Corning) or SS 4155 (General Electric). · Can be made electrically conductive with Cho-Bond 1029B: 250 pbw for 100 pbw RTV 566. · RTV 567, a nonfilled version of 566, is very difficult to procure in Europe.