Items	Unit	Indices
		3(4)*0.10 copper /0.10 copper mm	3(4)*0.20 copper /0.20 copper mm	3(4)*0.30 copper /0.30 copper mm	3(4)*0.10 copper /0.12 aluminum mm	3(4)*0.20 copper /0.30 aluminum mm	3(4)*0.30 copper /0.50 aluminum mm
180° peeling strength	N/mm	≥3.8	≥4.0	≥4.2	≥3.8	≥4.0	≥4.2
Surface density	㎏/m2	4.4±0.5（5.3±0.5）	5.9±0.5(6.8±0.5)	7.4±0.5(8.3±0.5)	3.8±0.5(4.8±0.5)	4.9±0.5(5.9±0.5)	6.0±0.5(7.0±0.5)
Bending strength	MPa	≥58(45)	≥109(85)	≥153(121)	≥58(44)	≥107(86)	≥147(118)
Penetrating Resistance	kN	≥3.0	≥5.0	≥7.0	≥3.0	≥5.0	7.0
Shear strength	MPa	≥13.0(9.4)	≥20.0(15.0)	≥29.0(21.0)	≥13.0(9.4)	≥20.0(15.0)	≥29.0(21.0)
Heat Distortion Temperature	０C	≥90	≥90	≥90	≥90	≥90	≥90
Heat Expansion Coefficient	/０C	≤2.0×10-5	≤2.0×10-5	≤2.0×10-5	≤1.9×10-5	≤2.0×10-5	≤2.0×10-5
Boiling Water Resistance		Without change	Without change	Without change	Without change	Without change	Without change
Temperature difference resistance		Without change	Without change	Without change	Without change	Without change	Without change
Rigidity is the same as the thickness of single copper plate	mm	1.7(2)	2.1(2.5)	2.3(2.9)	1.7(2)	2.1(2.5)	2.2(2.9)
Inflaming retarding performance	Meet Grade B of GB 8624-2006 (for inflaming retarding products only)