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: White plastic for a long time. Why does it turn yellow?: There are plastic products called plasticizers of raw materials, mainly plays the role of anti-aging, but it will be volatile in the air, so when increased when plasticizer reduced, the color will also fade, the elastic plastic shriveled, becomes very brittle, it will turn yellow.

Q: Do olive nets protect against olive tree pests other than olive fruit flies?: No, olive nets primarily protect against olive fruit flies and provide little to no protection against other olive tree pests.

Q: Can olive nets be used in combination with cover cropping methods?: Yes, olive nets can be used in combination with cover cropping methods. Cover cropping is a common practice in olive orchards to improve soil health, prevent erosion, and provide additional benefits. Olive nets can be installed over the cover crops to protect the olives from damage caused by birds or to collect fallen olives. This combination can help promote a healthy and productive olive orchard while also preserving the benefits of cover cropping.

Q: Can olive nets be used for olive trees in regions with limited sunlight?: No, olive nets cannot effectively be used for olive trees in regions with limited sunlight as they are primarily used for protecting the olives from birds and other pests, and not for enhancing sunlight exposure. In such regions, alternative methods like selective pruning or choosing olive tree varieties that are more tolerant to shade should be considered.

Q: Can olive nets be used to improve water use efficiency?: Yes, olive nets can be used to improve water use efficiency in olive groves. These nets are commonly used to reduce evaporation and protect the soil from direct sunlight, thus helping to conserve moisture and reduce water loss through evapotranspiration. By creating a microclimate that minimizes water requirements, olive nets can help optimize water use and improve overall water efficiency in olive cultivation.

Q: Can olive nets be used to improve the profitability of olive farming?: Yes, olive nets can be used to improve the profitability of olive farming. Olive nets are designed to protect the olives from pests, birds, and excessive sunlight, which can lead to a higher yield and better quality olives. By preventing damage to the olives, farmers can maximize their harvest and increase their profits. Additionally, olive nets also simplify the harvesting process by collecting the olives in a convenient manner, reducing labor costs and increasing efficiency.

Q: Do olive nets affect the taste of the olives?: Yes, olive nets can affect the taste of olives. When olives are left on the tree for a longer period of time to ripen, they tend to have a richer and more flavorful taste. However, using olive nets to harvest olives can speed up the process and result in slightly less ripe olives, which can impact their taste.

Q: Can olive nets be used in regions with extreme temperature variations?: Yes, olive nets can be used in regions with extreme temperature variations. Olive nets are designed to protect olive trees and their fruits from various weather conditions, including extreme temperatures. They can provide shade during hot weather and prevent damage from frost during cold weather, making them suitable for regions with temperature fluctuations.

Q: Can olive nets be used on olive trees grown in windy areas?: Yes, olive nets can be used on olive trees grown in windy areas. Olive nets provide protection to the trees and help prevent wind damage to the branches and fruits. They act as a barrier, reducing the impact of strong winds and preventing the loss of olives.

Q: Are there any specific techniques for preventing olive net damage from heavy rainfall?: Yes, there are specific techniques for preventing olive net damage from heavy rainfall. One effective technique is to install a support structure above the olive trees to elevate the nets and prevent them from coming into direct contact with heavy rainfall. Additionally, ensuring proper drainage in the olive grove by constructing trenches or using gravel can help redirect excess water away from the nets and minimize damage. Regular maintenance and inspection of the nets, such as tightening or repairing any tears or holes, can also help prevent damage caused by heavy rainfall.

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