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Thermoset Resin Unclad Laminate Board

Contributes to High Heat Resistance, High Intensity,
High Punching Performance, High Thickness Accuracy
and Surface Smoothness.

Advantage

Unclad Laminates board is available to use in Strength / Electrical insulation / Chemical property necessary ways

Glass Epoxy Laminate

EL-3762
A wide range of plate thicknesses available

EL-3700/3700M
Polishing carrier ​

• good thickness accuracy, and good mechanical strength.
• 1200×1200mm size is available.

Paper Phenolic Laminate

PL-1131
Punching materials for switch and volume applications

PL-9450
（Frame retardant grade）
A wide range of plate thicknesses available

• UL94 flammability V-0

Characteristics

Classification	Test item	Condition	Unit	Glass Epoxy	Paper Phenolic	Aluminum	Steel	Glass	Synthetic wood
Physical Property	Specific Gravity	ー	ー	1.8	1.4	2.8	7.8	2.5	0.98
	Water Absorption	E-24/50 +D-24/23	%	0.01	0.19	0	0	0	ー
		A		ー	ー				4
	Rockwell Hardness	A	HRC	ー	ー	ー	60	52	ー
			HRB	ー	ー	52	ー	ー	ー
			HRM	110	110	ー	ー	ー	ー
			HRR	ー	ー	ー	ー	ー	95
Mechanical	Flexural Strength	A	MPa	390	130	157	275	39~79	39
Electrical	Withstand Voltage	C-90/20/65	MV/m	18	13≦	ー	ー	5~35	ー
Insulating	Volume Resistivity	A	Ωcm	1015<	1011<	10-6	10-5	1015<	ー
Heat Resistant	Appearance After Heating	E-2/130	ー	No Significant Change	No Significant Change	No Significant Change	No Significant Change	No Significant Change	Change Color
Flammability	Flammability	A	ー	94V-0	94V-0	No Burns	No Burns	No Burns	No Burns
Chemical	Acid			〇	〇	×	×	○	×
	Alkali			〇	△	×	○	×	×
	Alcohol			〇	〇	○	○	○	×

・The data table shown are representative values, not guaranteed values.
・The Aluminum, Steel, Glass and Synthetic wood values given are representative values. Values will be changed according to measuring method, Please use as a guide only.