PROPERTY	IMPERIAL VALUE	METRIC VALUE	TEST METHOD
Color	White	White	Visual
Reinforcement Carrier	Fiberglass	Fiberglass	–
Thickness (inch) / (mm)	0.010 to 0.020	0.254 to 0.508	ASTM D374
Hardness (Shore A)	90	90	ASTM D2240
Continous Use temp (°F) / (°C)	-76 to 392	-60 to 200	–
ELECTRICAL
Dielectric Breakdown Voltage (Vac)	4000	4000	ASTM D149
Dielectric Constant (1000 Hz)	4	4.0	ASTM D150
Volume Resistivity (Ohm-meter)	10 11	1011	ASTM D257
Flame Rating	V-O	V-O	U.L.94
THERMAL
Thermal Conductivity (W/m-K)	3.5	3.5	ASTM D5470

THERMAL PERFORMANCE vs PRESSURE
Pressure (psi)	10	25	50	100	200
TO-220 Thermal Performance (°C/W)	2.61	2.32	2.02	1.65	1.37
Thermal Impedance (°C-in 2 /W) (1)	0.57	0.43	0.38	0.35	0.30

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