Index	Name		Unit	Specification
				DLZ
Thickness			um	DLZ 80¡À5	DLZ 130¡À7	DLZ 170¡À8
Apparent density			g/cm3	0.85¡À0.05
Tensile strength¡Ý		MD	KN/m	5.90	10.5	13.0
		CD		2.90	4.90	6.50
Stretch ¡Ý		MD	%	2.0	2.2
		CD		6.0	6.5
Tear strength CD ¡Ý			mN	540	1080	1470
Folding strength average of MD and CD ¡Ý			times	1000	2000
Breakdown voltage at power frequency ¡Ý			V/layer	600	950	1200
Electrical conductivity ¡Ü			ms/m	10
PH of water extract				6.0-8.0	6.5-8.5	6.5-8.5
Dielectric dissipation factor(tg¦Ä) of dry paper(100¡æ) ¡Ü			%	0.70
Porosity			um/Pas	0.510
Ash content ¡Ü			%	1.0
Moisture			%	6.0-9.0