A.17.12. Makrofol N
PRODUCT
Type		Plastic film.
Chemical Composition		Polycarbonate.
Manufacturer		Bayer AG Kaiser Wilhelm Allee D-51373 Leverkusen Germany			Tel: Fax: www.bayer.com www.bayer.de
EXPERIENCE & AVAILABILITY
Development Status				Commercial Product
Cost Range				Low
Lot Reproducibility				Fair
Space Experience				Good
GENERAL PROPERTIES (Physical, Mechanical, Thermal, Electrical, Optical)
Nature			Typical Value			Remarks
Specific Gravity			1.2			Manufacturer's Data
Tensile Strength			850 MPa			Manufacturer's Data
Surface Resistivity			10^13 W £			4 days @ 80% RH
Dielectric Constant			3.1			50 Hz
Dissipation Factor			0.0025			50 Hz
Dielectric Strength			170 kV/mm			4 days @ 80% RH
PROPERTIES RELEVANT TO SPACE USE
Nature	Typical Value				Type of Test
Temperature Range	Up to +140°C				Manufacturer's Data
Outgassing	TML = 1.4%, RML = 0.35%, CVCM = 0.01%				ECSS-Q-70-02
Ionising Radiation	10 Mrad				Mechanical properties
Water Absorption	0.5%				24 hours immersion
Flammability	Fail (21% O2)				NASA NHB 8060-1B
SPECIAL RECOMMENDATIONS
· Post cure 24 hour at 80°C recommended. · Other grades of Makrofol exist, of which the space qualification is incomplete.