Black Resistance to Electricity Mark PE compound

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

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Supply Capability:: 3000 Tons kg/month

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Black Resistance to Electricity Mark PE compound

ⅰ、Type and application

Type	Product	Application
NDGJ-01	Black Weatherability and Resistance to Electricity Mark HDPE Insulating Compound for Aerial Cables	Applied to less than 10KV aerical cables as insulation which has the requirements of resistance to electricity mark.
NDPE-22	Black Resistance to Electricity Mark PE Jacket Compound	Applied to ADSS fiber cables as jacket which has the requirements of resistance to electricity mark.

ⅱ、NDPE is a black and resistance to electricity mark PE jacketcompound special for ADSS cables, which based on PE polymer. NDPE has specialadditive. It has very good performance of resistance to electricity mark, andexcellent electrical properties, weatherability, tenacity, abrasive resistanceand excellent resistance to environmental stress crack. Meeting DL/T 788-2001standard.

ⅲ、Processing

The NDPE compound suits to process with extruder which L/D is 25 orabove 25. And it should be dried before using, the temperature is 90℃.

the following temperature(℃) profile of extruder is recommended:

Zone	1 Zone	2 Zone	3 Zone	4 Zone	Head	Die
Temperature	185	215	220	240	245	250

Note: The processing parameters are for reference only, optimalconditions may vary according to the equipment used. The cooling water tankshould be used sectionally cooling with warm-water echelon in order to reduceinternal stress.

ⅳ、Storage andtransport

Packaging：25kg/bag， PE membrane inside bag and Kraft outside bag.

Storage and transport: Avoiding in direct sunlight and weathering.The storage place should be in clean, cool, dry, and ventilated conditions.

Ⅴ、Properties

Table

Test Item	unit	NDGJ-01		NDPE-22
Test Item	unit	Standard Value	Typical Value	Standard Value	Typical Value
Density	g/cm³	0.945-0.978	0.95	≤1.2	1.12
（2.16kg） Melt Flow Rate	g/10min	≤0.4	0.25	≤0.4	0.33
Tensile Strength	MPa	≥20.0	28.0	≥18.0	20.0
Yield Strength	MPa	≥16.0	21.9	≥15.0	16.0
Elongation at Break	%	≥650	780	≥650	700
Low Temp. Elongation at Break	%	≥175	350	≥175	240
Impact Brittleness Temp.	℃	≤-76	Pass	≤-50	Pass
（115℃4h） Thermal Deformation	%	—	1	—	1
Vicat Softening Temp.	℃	≥110	127	≥110	127
Volume Resistivity	Ω﹒m	≥1.0×10¹⁴	6.0×10¹⁴	≥1.0×10¹⁴	4.0×10¹⁴
Dielectric Strength	MV/m	≥35	36	≥30	33
Dielectric Constant		≤2.45	2.41	—	2.5
Dielectric loss tangent		≤0.001	0.0008	—	—
Resistance to environmental stress crack	h	＞500	pass	＞500	Pass
Resistance to thermal stress crack	h	≥96	Pass	≥96	Pass
Carbon black dispersity	Scatter	≥6	7	≥6	7

Note:1、The sample made method is thermoplastic pressing which is accord toGB9352 standard.

Typical value should not be as standard.

Q:What is environmentally friendly engineering plastics?: Now technically called environmentally friendly engineering plastics generally refer to halogen-free plastics,

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