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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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:Are olive nets resistant to extreme temperatures?: Yes, olive nets are generally resistant to extreme temperatures. They are designed to withstand both high heat and cold conditions, making them suitable for use in various climates.

Q:Can olive nets be used for olive tree soil moisture control?: No, olive nets are primarily used for harvesting olives and protecting the fruit from birds, not for soil moisture control.

Q:Do olive nets have any impact on the taste of olives?: Yes, olive nets can have an impact on the taste of olives. The use of nets during the harvesting process helps to protect the olives from damage and contamination, which can positively affect their overall quality. Additionally, the nets can provide shade, preventing excessive exposure to sunlight, which can sometimes result in a bitter taste. Therefore, the use of olive nets can contribute to maintaining the desired taste of the olives.

Q:How long can an olive net last?: The lifespan of an olive net can vary depending on factors such as the quality of the material, the frequency of use, and the level of maintenance. However, on average, a well-maintained olive net can last for several years.

Q:Can olive nets be used to attract tourists or visitors to the orchard?: No, olive nets cannot be used to attract tourists or visitors to the orchard. Olive nets are primarily used for practical purposes such as harvesting olives by preventing them from falling on the ground. While olive orchards can be visually pleasing, additional efforts such as creating scenic walkways, offering educational tours, or hosting events would be more effective in attracting tourists or visitors to the orchard.

Q:Can olive nets be used in combination with pruning activities?: Yes, olive nets can be used in combination with pruning activities. Olive nets are commonly used to collect the olives that fall during the pruning process, making it easier to gather them and prevent any damage to the surrounding environment. Additionally, the nets can also help in separating the pruned branches from the olives, making the overall pruning process more efficient.

Q:How do you prevent olive nets from damaging the branches or leaves of the olive trees?: To prevent olive nets from damaging the branches or leaves of olive trees, it is essential to install the nets properly. Firstly, ensure that the nets are securely fastened to sturdy support structures, such as poles or wires, to avoid excessive movement or sagging. Additionally, regularly inspect the nets during the harvesting season to ensure they remain taut and properly positioned. It is important to adjust the nets as needed to prevent any rubbing or friction against the branches or leaves. Lastly, removing the olives from the nets promptly will prevent the weight of the fruit from causing damage to the tree.

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 placed on the ground around the base of the tree to prevent soil erosion caused by water runoff. They help retain soil and moisture, protecting the roots of the olive tree and reducing erosion.

Q:Can olive nets be used to reduce weed competition?: Yes, olive nets can be used to reduce weed competition. Olive nets serve as a physical barrier that prevents sunlight from reaching the ground, inhibiting weed growth. Additionally, they help in retaining soil moisture, further suppressing weed germination and growth.

Q:How do I store olive nets when not in use?: When not in use, it is recommended to store olive nets in a clean and dry area. Fold the nets neatly and ensure they are free from any dirt or debris. You can store them in a container or a bag to protect them from dust and pests. Properly labeling the container or bag can also help in easy identification and retrieval when needed again.

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