Epoxy

Epoxy 55LM Arlon-MED

Properties:
Filler aramid fiber
Usages:
Laminate electrical electronic applications aircraft applications military applications
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Technical Data Sheet

flammability	Test Condition	Test Method	Test Result
UL flame retardant rating		UL 94	V-0

mechanical properties	Test Method	Test Result
bending strength	Internal Method	14.5 MPa
Compressive modulus	ASTM D695	207 MPa
tensile strength	Internal Method	276 MPa

thermal performance	Test Condition	Test Method	Test Result
Glass transition temperature		Internal Method	160 °C
Linear coefficient of thermal expansion	MD：--3	Internal Method	1.0E-5到1.2E-5 cm/cm/°C
	Linear coefficient of thermal expansion	MD：<160°C4	Internal Method	9.8E-05 cm/cm/°C
	Linear coefficient of thermal expansion	Linear coefficient of thermal expansion	MD：>160°C4	Internal Method	2.5E-04 cm/cm/°C
thermal conductivity	100°C	ASTME1461	0.20 W/m/K

Physical properties	Test Condition	Test Method	Test Result
density		ASTM D792A	1.35 g/cm³
Water absorption rate	24hr	Internal Method	0.20 %
decomposition temperature	5%	Internal Method	337 °C
decomposition temperature	decomposition temperature	Initial	Internal Method	328 °C

Electrical performance	Test Condition	Test Method	Test Result
Dielectric strength		Internal Method	>49 kV/mm
Dielectric constant	1MHz	Internal Method	3.80
Dissipation factor	1MHz	Internal Method	0.022
Surface resistivity		Internal Method	1E+15 ohms
Volume resistivity		Internal Method	1E+16 ohms·cm

film	Test Condition	Test Method	Test Result
Peel strength		Internal Method	1.1 kN/m

Supplementary Information	Test Condition	Test Method	Test Result
t		Internal Method	>1.0 hr
t	t		Internal Method	>1.0 min
expansion rate	50to260°C	Internal Method	4.5 %

IMPORTANT NOTES: Plas.com collected the data in the data sheet from the material manufacturers. Plas.com makes the best effort to improve the accuracy of the data, but has no responsibility for the data. We strongly recommend verifying the validity of the data with the material manufacturers before making a final decision.

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