RS-4650

Resin Systems
62 Rte 101-A
Amherst, NH 03031

RIGID MICROWAVE ABSORBING MATERIAL – RS-4650

RS-4650 is a rigid epoxy based magnetic castable microwave absorbing material capable of continuous operation up to 350of. This material is ideal for fabrication of low power loads, attenuators, ring chokes and other RF absorbing elements at microwave frequencies. RS-4650 can be supplied in custom cast configurations, standard stock shapes of plates, rods and bars, or in pourable kits.

APPROXIMATE PROPERTIES

DENSITY .146 LB/IN3
DIELECTRIC CONSTANT @ 10 GHZ 21.0
LOSS TANGENT @ 10 GHZ .02
PERMEABILITY @ 10 GHZ 1.1
ATTENUATION  @ 10 GHZ 120 dB/IN.
VOLUME RESISTIVITY  @ 77oF >1×10`11@77F
DIELECTRIC STRENGTH >25 V/MIL.
FLEXURAL STRENGTH 15,000 PSI
TENSILE STRENGTH 7,500 PSI
IZOD IMPACT STRENGTH .35 FT. LB/IN
THERMAL EXPANSION 20 X10-6 IN/IN/oF
THERMAL CONDUCTIVITY 5.4 (BTU)(IN)/(HR)(FT2)(oF)
SPECIFIC HEAT .29 BTU/ (LB)(F)
WATER ABSORPTION (20 DAYS @ 77oF) .05%
NASA OUTGASSING RP 1124 – TOTAL MASS LOSS 0.24%
NASA OUTGASSING –
COLLECTED VOLATILE CONDENSABLE MATERIALS
0.01 %
MAXIMUM USE TEMPERATURE 350 oF
FUNGUS (NON-NUTRIENT PER MIL STD 810) YES
JUNE 1995

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