PE Compound

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Supply Capability:: 3000 Tons kg/month

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PE Compound

I. Type andapplication

Type	Product	Application
NDH	Black LDPE jacket compound for resistance to environmental stress crack	Jacket of telephone cable, RF cable and optical cable
LDH	Black LLDPE jacket compound	Jacket of telephone cable and optical cable
MH	Black MDPE jacket compound	Jacket of optical cable, aerial cable and power cable
GH	Black HDPE jacket compound	Jacket of optical cable. High strength and abrasion resistant jacket
NLDJ	Black weatherability LLDPE insulating compound	Insulation of aerial cable, less than 1kV
NGJ	Black weatherability HDPE insulating compound	Insulation of aerial cable
ZPE	Flame retardant PE compound	Flame-retardant insulating or jacket of 70~90℃wires and cables
RDH	Flexible PE jacket compound	Flexible PE jacket of 70℃wires and cables

II. P E compound, based on PE resin, isproduced and pelletized with the double corrugated screw, in which variousadditives are added. The compound is according to GB 15065-94 and IEC 60502. The compound has outstandingperformances of processing, physical, mechanical and electrical properties.

III. Processing: It is recommended thatcompound should be processed with extruder having a minimum L/D ratio of 25.Compound (not including ZPE) should be thoroughly dried before use, and the maximum drying temperature should notexceed 100℃.

Thefollowing temperature(℃) profile of extruder is recommended:

Type	Zone 1	Zone 2	Zone 3	Zone 4	head	die
NDH	180	190	200	210	220	230
LDH	170	180	190	200	210	220
MH	180	210	220	230	245	240
GH、NGJ	190	215	230	245	245	240
NLDJ	160	180	195	200	200	210
ZPE	140	150	160	170	170	165
RDH	140	160	175	180	190	190

Note: The processing parameters are forreference only, optimal conditions may vary according to the equipment used.The cooling water tank should be used sectionally cooling with warm-waterechelon in order to reduce internal stress.

ⅳ. Properties

Item	Unit	NDH		GH		LDH		MH		RDH
Item	Unit	Standard	Typical	Standard	Typical	Standard	Typical	Standard	Typical	Standard	Typical
Volume Resistivity at 20℃	≥Ω﹒m	1.0×10¹⁴	1.1×10¹⁵	1.0×10¹⁴	8.0×10¹⁴	1.0×10¹⁴	8×10¹⁴	1.0×10¹⁴	3.6×10¹⁴	1.0×10¹³	3.0×10¹³
Dielectric Strength	≥MV/m	25	37	25	35	25	32	25	35	25	28
Dielectric Constant	≤	2.80	2.36	2.75	2.40	2.80	2.35	2.75	2.4	－	－
Dielectric Loss, Angular Tangent	≤	－	－	0.005	0.0006	－	－	0.005	0.001	－	－
Melt Flowing Index	≤g/10min	2.0	0.9	0.5	0.3	2.0	1.1	1.0	0.5	2.0	1.9
Density	g/cm³	0.920- 0.949	0.936	0.950- 0.978	0.953	0.920- 0.945	0.938	0.940- 0.955	0.945	－	－
Tensile Strength	≥MPa	13.0	19.0	20.0	23.0	≥14.0	18.0	≥17.0	23.0	13.0	17.0
Yield Strength	≥MPa	－	－	16.0	20.0	－	－	－	－	－	－
Elongation at Break	≥%	500	790	650	850	600	700	600	800	500	590
Low Temp. Elongation at Break	≥%	－	－	175	210	－	－	－	－	－	－
Impact Brittleness in low temp.	≤℃	-76	Pass	-76	Pass	-76	Pass	-76	Pass	-76	Pass
Dispersity of Carbon Black	≥ Scatter	6	7	6	7	6	7	6	7	6	7
Carbon Black Content	%	2.60±0.25	2.6	2.60±0.25	2.6	2.60±0.25	2.6	2.60±0.25	2.6	2.60±0.25	2.6
Resistance to Environmental Stress Crack F₀	≥h	96	Pass	500	Pass	500	Pass	200	Pass	96	Pass
200℃ Oxidative Induced Time	≥min	30	Pass	－	－	30	Pass	30	Pass	30	Pass

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

Item	Unit	NLDJ		NGJ		ZPE
Item	Unit	Standard	Typical	Standard	Typical	Standard	Typical
Volume Resistivity at 20℃	Ω﹒m	≥1.0×10¹⁴	8×10¹⁴	≥1.0×10¹⁴	8×10¹⁴	≥1.0×10¹¹	5.0×10¹²
Dielectric Strength	MV/m	≥25	35	≥35	40	≥20	25
Dielectric Constant	≤	－	－	≤2.45	2.35	－	－
Dielectric Loss, Angular Tangent	≤	－	－	≤0.001	0.0008	－	－
Melt Flowing Index	g/10min	≤1.0	0.6	≤0.4	0.2	2.0	1.36
Density	g/cm³	0.920- 0.945	0.938	0.955- 0.978	0.958	－
Tensile Strength	MPa	≥14.0	20.0	≥20.0	28.0	≥10.0	15.0
Yield Strength	MPa	－	－	≥16.0	20.0	－	－
Elongation at Break	%	≥600	750	≥650	830	≥250	650
LowTemp.Elongation at Break	%	－	－	≥175	240	－	－
Impact Brittleness in low temp.	℃	≤-76	Pass	≤-76	Pass	-40	Pass
Dispersity of Carbon Black	Scatter	≥6	7	≥6	7	－	－
Resistance to Heat Stress Crack	h	－	－	≥96	Pass	－	－
Resistance to Environmental Stress Crack F₀	h	≥500	Pass	≥500	Pass	≥96	Pass
Vicat Softening Temp.	℃	－	－	≥110	127	－	－
Air oven aging		100℃×10d		100℃×10d		100℃7d
Tensile Strength after aging	MPa	≥13.0	19.0	≥20.0	26.0	≥10.0	14.6
Elongation atBreak after aging	%	≥500	700	≥650	760	≥250	670
(0-1008)h Artificialweatheringaging time
Variation on Tensile Strength	%	±25	14.5	±25	15.5	－	－
VariationonElongationat Break	%	±25	17.2	±25	18.3	－	－
(504-1008)h Aging time
Variation on Tensile Strength	%	±15	12.5	±15	10.2	－	－
VariationonElongation atBreak	%	±15	10.5	±15	9.5	－	－
Oxygen Index		－	－	－	－	≥26	26.4

Q:How does an olive net affect the overall crop yield in the olive grove?: An olive net can positively affect the overall crop yield in an olive grove by providing protection against birds and other pests. The netting prevents damage caused by birds eating the olives, reducing crop loss and increasing the yield. Additionally, nets can also help in collecting fallen olives, maximizing the harvest and improving overall productivity in the olive grove.

Q:How do olive nets affect the overall appearance of the olive fruit?: Olive nets protect the olive fruit from external factors such as birds, insects, and debris, which can negatively impact their appearance. By preventing damage and ensuring a cleaner harvesting process, olive nets contribute to the overall improved appearance of the fruit.

Q:What size olive net is suitable for a small olive grove?: The size of the olive net suitable for a small olive grove would typically depend on the dimensions of the grove. It is recommended to measure the dimensions of the grove and choose a net that can cover the entire area adequately, ensuring that no olives are left exposed.

Q:Can olive nets be used for olive trees in flood-prone areas?: Yes, olive nets can be used for olive trees in flood-prone areas. Olive nets are primarily used to protect the olives from birds and other animals, but they can also provide some protection against heavy rainfall and flooding. While they may not completely prevent damage from severe floods, they can help reduce the impact on the olive trees by minimizing soil erosion and waterlogging. However, it is important to note that additional measures like proper drainage systems and soil management may also be necessary in flood-prone areas to ensure the health and survival of olive trees.

Q:How effective are olive nets at preventing bird damage?: Olive nets are highly effective in preventing bird damage to olive crops. These nets create a physical barrier that keeps birds away from the trees, preventing them from accessing and damaging the fruits. This method has been widely adopted in olive farms and has proven to significantly reduce bird-related losses.

Q:Can olive nets be used in areas with frequent frost?: Olive nets can be used in areas with frequent frost, but certain precautions need to be taken. The nets should be removed before the frost sets in to prevent damage to the olive trees. Additionally, using nets with a mesh size that allows air circulation can help minimize frost-related issues.

Q:How do olive nets hold up in extreme weather conditions?: Olive nets are designed to withstand various weather conditions, including extreme weather. They are made from durable materials such as high-density polyethylene (HDPE) and are UV-stabilized, which ensures longevity and prevents degradation caused by sunlight exposure. Moreover, these nets are often reinforced with strong edges and stitched seams to enhance their resistance against wind, rain, and other extreme weather elements. Overall, olive nets are built to hold up well in extreme weather conditions, providing reliable protection for olive trees and crops.

Q:Can olive nets be used to reduce pesticide applications?: Yes, olive nets can be used to reduce pesticide applications. These nets act as a physical barrier, preventing insects and pests from reaching the olive trees, thereby reducing the need for pesticide use. Additionally, olive nets also provide protection against birds, which can cause damage to the crop. By using olive nets, farmers can minimize the reliance on pesticides, leading to more sustainable and environmentally friendly olive cultivation practices.

Q:Is the plastic box good or the glass good?: Plastic PP material box, non-toxic, tasteless, low density, strength, stiffness, hardness and heat resistance are better than that of low pressure polyethylene, can be used at 100 degrees. With good electrical insulation and high density is not affected by humidity, 0.90-0.91, high heat resistance, toughness and corrosion resistance are very good. One of the most commonly used food and plastic products. Disadvantages: brittle at low temperature, no wear, easy aging.

Q:Can olive nets be used for decorative purposes in gardens?: Yes, olive nets can be used for decorative purposes in gardens. The nets can be draped over plants, trees, or structures to create a visually pleasing effect. Additionally, they can add a rustic or Mediterranean touch to the garden aesthetics.

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