HDPE for the sheath of cable

Date Posted:	24 Sep 2009
Offer Expires:	24 Mar 2010

1^styear

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This raw material standard applies to the use of HDPE sheath compound in Fiber Optic Cables.

THe amount is up to 4000 ton/ year

TEST ITEM	UNIT	VALUE	TEST METHOD
APPEARANCE	-	BLACK PELLET	VISUAL INSPECTOIN
DENSITY	g/cm³	0.941~0.960	ASTM D 1505
TENSILE STRENGTH AT ROOM TEMP.	kg/mm²	min 1.94	ASTM D 638
ELONGATION AT ROOM TEMP.	%	min 500	ASTM D 638
RETENSION OF TENSILE STRENGTH	%	min 85	ASTM D 638
RETENSION OF ELONGATION	%	min 85	ASTM D 638
ESCR	EA	max 0/10	ASTM D1693
MELT FLOW INDEX	g/10min	max 1.0	ASTM D 1238 CONDITOIN E
DIELECTRIC CONSTANT	-	max 2.87	ASTM D 1531
LOW TEMP. BRITTLENESS		-76	ASTM D 746
CARBON BLACK CONTENTS	%	2.6� 0.25	ASTM D 1603
ABSOPTION COEF. OF CARBON BLACK	-	min 400	ASTM D 3349(�=375nm)

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