Black Resistance to Electricity Mark PE compound

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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: Do olive nets affect the size of the olives?: Yes, olive nets can affect the size of the olives. The nets provide a protective layer that shields the olives from external factors such as wind or birds, thereby reducing the chances of damage or loss. This protection allows the olives to grow and ripen undisturbed, potentially resulting in larger-sized olives.

Q: Are olive nets resistant to UV damage?: Yes, olive nets are generally resistant to UV damage. They are designed to withstand prolonged exposure to sunlight and are made from materials that have UV stabilizers to prevent degradation from UV rays.

Q: How does an olive net help with harvesting olives?: An olive net helps with harvesting olives by being placed under the olive tree to catch any fallen olives during the harvesting process. This prevents the olives from getting dirty or damaged by the ground, making it easier to collect and sort them later.

Q: Can olive nets be used for olive tree erosion control?: Yes, olive nets can be used for olive tree erosion control. These nets are typically designed to prevent soil erosion by keeping the soil in place while still allowing water to penetrate through. By using olive nets, the roots of the olive trees are protected from being exposed, ensuring their stability and preventing erosion.

Q: How do I wipe the paint off the plastic?: Because the plastics react chemically with some of the chemical strong acids and bases, the paint on the plastic can only be removed in a conventional way.

Q: Can plastics be recycled?: Become soft when heated so as to flow and become hardened by cooling. The process is reversible and can be repeated. Polyethylene, polypropylene, PVC, polystyrene, POM, polycarbonate, etc.. Thermoplastics can be recycled, while thermosetting plastics cannot be recycled.

Q: How do you remove olives trapped in the net?: To remove olives trapped in the net, you can try gently shaking or tapping the net to dislodge them. Alternatively, you can carefully cut the netting around the trapped olives using scissors or a knife. Just be cautious not to damage the olives in the process.

Q: How can plastic paint be used to prevent paint falling off?: Spraying: plastic coating thickness of 15~20 m, usually painted 2~3 road to complete. Spray 15min dry and then spray second times. Bright surfaces must be painted with transparent paint. The painted parts have little influence on the flame retardance.

Q: What are the common plastics?: Low density polyethylene (PE-LD or LDPE): common in cling film, plastic film. Low density polyethylene heat resistance is not strong, do not pack in the food surface into the microwave oven, usually in the temperature of more than 110 degrees when there will be hot melt phenomenon, will leave some of the body can not be broken down the plastic preparations.

Q: What are the advantages and disadvantages of plastics?: Plastics have better corrosion resistance to ordinary acids, alkalis, salts and greases than metals and some inorganic materials. Especially suitable for chemical plants such as doors and windows, floors, walls and so on.

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