PE sheath compound (sell offer)

Post Date:	Aug 08, 2008
Expiry Date:	Aug 08, 2009

Detailed Selling Lead Description

EHH80, a kind of cable sheath layer material, regards HDPE as the basic material. It is mainly applied in the sheath layers of optical fiber cable and submarine cable. The highest working temperature is 80.EHL70 regards LLDPE as the basic material. it is mainly applied in cracking resistant sheath of communication cable, control cable, signal cable and power cable. The highest working temperature is 70. EHM70 regards MDPE as the basic material. It is mainly applied in cracking resistant sheath of communication cable, control cable, signal cable and optical fiber cable. The highest working temperature is 70.

Physical and Electrical Properties

MV/m

Item		Unit	Specification			Test Method
Item		Unit	EHH80	EHL70	EHM70	Test Method
Density		g/cm³	0.950~0.978	0.920~0.945	0.940~0.960	ASTM D1505
Melt Index		g/10min	≤0.5	≤2.0	≤0.85	ASTM D1238
Tensile Strength		MPa	≥20.0	≥14.0	≥20.0	ASTM D638
Elongation at Break		%	≥650	≥700	≥650	ASTM D638
Brittle Temperature with Low Temperature		°C	≤-76	≤-76	≤-76	ASTM D746
Veka Softening Point		°C	≥110	----	----	ASTM D1525
Environment Resistant Stress Cracking F0		h	≥500	≥500	≥500	ASTM D1693
20 Volume Resistivity 20		Ω·m	≥1.0×10¹⁴	≥1.0×10¹⁴	≥1.0×10¹⁴	ASTM D257
20 Dielectric Strength,50Hz 20, 50Hz		≥25.0	≥25.0	≥25.0	ASTM D149
20 Dielectric Constant,50Hz 20, 50Hz		---	≤2.80	≤2.80	≤2.75	ASTM D150
	carbon black dispersion	--	≥6	≥6	≥6	GB2951
	Absorption coefficient	--	≥400	≥400	≥400	GB2951
content of carbon black		%	2.60±0.25	2.60±0.25	2.60±0.25	ASTM D1603
Oxidation induction period at 200 200		min	≥30	≥30	≥30	ASTM D3895

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PE sheath compound

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