Materials for Use in Fabricating Recognized Printed Wiring Boards		E113978
Guide Information
PANASONIC INDUSTRIAL DEVICES MATERIALS TAIWAN CO LTD
Hsinchu Industrial District, 20-1 Kuang Fu Road, HU KOU HSIANG HSINCHU HSIEN 303 TW
R-1577, R-1577E, Halogen-free MEGTRON 2
Ultrathin industrial laminates and bonding layers, furnished in sheet form, for use in multilayer printed wiring boards where the thickness is built up to the minimum specified

ANSI Type	Min Build Up Thk(mm)	RTI Elec (°C)	RTI Mech (°C)	Laminate Mtl Dsg	Laminate Sheet Thk(mic)	Laminate RTI Elec(°C)	Prepreg Mtl Dsg	Prepreg Sheet Thk(mic)	Prepreg RTI Elec(°C)
FR-4.1	0.20	130	130	R-1577, R-1577E, Halogen-free MEGTRON 2	30	50	R-1570	30	50
	0.38	130	130	R-1577, R-1577E, Halogen-free MEGTRON 2	30	50	R-1570	30	50
	0.63	130	140	R-1577, R-1577E, Halogen-free MEGTRON 2	30	50	R-1570	30	50
	1.40	130	140	R-1577, R-1577E, Halogen-free MEGTRON 2	30	50	R-1570	30	50

Report Date:	1987-12-28	© 2026 UL Solutions
Last Revised:	2016-04-29

 

IEC and ISO Test Methods
Test Name	Test Method	Units	Thk (mm)	Value
Flammability	IEC 60695-11-10	Class (color)	-	-
IEC Comparative Tracking Index	IEC 60112	Volts (Max)	-	-

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