A.14.4. CV-2500
PRODUCT
Type			Controlled-volatility RTV silicone adhesive potting.
Chemical Composition			Silicone.
Manufacturer	Nusil Technology 1150 Mark Avenue, Carpinteria, CA 93013 USA			Tel: +1 805 684 8780 Fax: +1 805 566 990 Email: steveb@nusil.com www.nusil.com
European Agent	Polymer Systems Technology Ltd. Unit 6, First Floor, Vernon Bldg, Westbourne St, High Wycombe UK			Tel: +44 (0)1494 446610 Fax: +44 (0)1494 528611 Email: Poly.systechltd@btinternet.com
EXPERIENCE & AVAILABILITY
Development Status			Special Commercial Product
Cost Range			High
Lot Reproducibility			Good
Space Experience			High
GENERAL PROPERTIES (Physical, Mechanical, Thermal, Electrical, Optical)
Nature			Typical Value	Remarks
Appearance			Clear elastomer
Pot Life			2 hours minimum
Viscosity			8000 ± 2000 cps	Manufacturer’s Data
Specific Gravity			1.04 ± 0.02	25°C
Hardness			50 minimum	Durometer, Type A
Tensile Strength			4.1 MPa minimum	Manufacturer’s Data
Elongation			80% minimum	Manufacturer’s Data
Dielectric Strength			21.7 kV/mm	Manufacturer’s Data
Volume Resistivity			1 x 10^13 W m	Manufacturer’s Data
Shelf Life			6 Months	25°C. Refrigeration may extend shelf life.
PROPERTIES RELEVANT TO SPACE USE (Effects of and/or on environment)
Nature		Typical Value			Type of Test
Outgassing		TML = 0.16%, RML = 0.16%, CVCM = 0.01%			ECSS-Q-70-02
Thermal Cycling		Pass			ECSS-Q-70-04
SPECIAL RECOMMENDATIONS
· A primer may be required on some bonding applications. Nusil CF1-135 silicone primer is recommended. · Cure time at 25°C: - 24 hours to handle carefully. - Full cure – 7 days.