A.18.1. Rexolite 1422
PRODUCT
Type			Thermosetting resin laminate.
Chemical Composition			Polystyrene, cross-linked.
Manufacturer	C-LEC Plastic Inc. 6800 New State Road Philadelphia, PA 19104 USA				Tel: +1 215 708 7731 Fax: +1 215 708 7728 Email: rexolite@AOL.COM www.rexolite.com
EXPERIENCE & AVAILABILITY
Development Status			Commercial Product
Cost Range			-
Lot Reproducibility			Excellent
Space Experience			Good
GENERAL PROPERTIES (Physical, Mechanical, Thermal, Electrical, Optical)
Nature			Typical Value			Remarks
Specific Gravity				1.05		ASTM D792
Tensile Strength				62 MPa		Manufacturer’s Data
Flexural Strength				80 MPa		Manufacturer’s Data
Thermal Expansion Coefficient				70 x 10^-6 °C^-1		Manufacturer’s Data
Thermal Conductivity				0.146 W m^-1 °C^-1		Manufacturer’s Data
Volume Resistivity				> 10^14 W m		Manufacturer’s Data
Dielectric Constant				2.53		Manufacturer’s Data
Dissipation Factor				0.00012		@ 1 MHz
Dielectric Strength				19.7 kV/mm		3.18 mm sample.
PROPERTIES RELEVANT TO SPACE USE
Nature		Typical Value					Type of Test
Temperature Range		-60°C to 100°C					Manufacturer’s Data
Temperature Range		TML = 0.2%, RML = 0.2%, CVCM = 0.01%					ECSS-Q-70-02
Water Absorption		<0.05%					Manufacturer’s Data
Ionising Radiation		1000 Mrad					Manufacturer’s Data
SPECIAL RECOMMENDATIONS
· The material is sold as rods, sheets and copper-clad laminates. · A glass mat reinforced version of the same product is Rexolite 2200, which is recommended for cases where high mechanical stresses are present.