Friday, October 26, 2012

HDPE LLDPE


1. High Density Polyethylene Specifications
Make barrela, plastic bottle and bag, make all kind of pipes, make shading
net, and make cable wire-insulating

HDPE cable material

Property

Unit

Typical Value

Mass density

g/cm 3

0.941-0.959

Melt flow Rate(190 centidegree /2.16kg)

g/10min

≤1.0

Tensile yield strength

MPa

≥19.0

Flexural modulus

Mpa

≥965

Elongation@ break

%

≥400

Impact Embrittlement temperature

centidegree

MAX -118

Dielectric Constant

100KHZ

2.32

1MHZ

2.31

Loss Tangent

100KHZ

MAX 0.0001

1MHZ

MAX 0.0001

Volume resistivity

OHM-CM

MIN 1x10 15

Application

Mainly used for the production of high toughness
of the telephone,cable insulation material
1. LLDPE Specifications
It has a very excellent resistance to environmental stress cracking resistance, weather resistance, wear resistance and excellent electrical performance, excellent out to get a good performance out of the surface.
Purpose:The products can be used to make power cables, control cables,
optical cables, telephone cables and signal cables outer sheath.

serial number

item-name

unit

typical value

test methods

serial number

1

melt phase polycondensation

g/10min

1.3

GB/T2951.41

IEC60811-4-1

2

density

g/cm3

0.935

GB1033

ASTM D1505

3

Tensile Strength

MPa

26.5

GB1040

IEC60811-1-1

4

elongation at break

%

900

GB1040


5

Low elongation at break

%

475

GB/T2951.13

IEC60811-1-4

6

Resistance to environmental stress cracking

piece

0/10

GB5470

IEC60811-1-4

7

Low-temperature impact brittleness temperature -76 °C breakage

h

>500

GB/T2951.39

IEC60811-4-1

8

200 °C oxidation
induction

min

80

GB/T2951.37


9

Carbon black content

%

2.52

GB/T2951.36

IEC60811-4-1

10

carbon black dispersion

fen

8

GB15065


11

Dielectric strength

MV/m

33.5

GB1408

IEC60243

12

electric volume resistivity

Ω.m

6.5×1014

GB1410

IEC60167

13

dielectric constant


2.45

GB1409

IEC60520

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