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: The concept, classification and distinction of modified plastics and plastic raw materials.: Classification: modified plastic products are mainly a variety of flame retardant resins, toughening resin, plastic alloy, functional masterbatch etc..

Q: What is the ideal mesh size for an olive net?: The ideal mesh size for an olive net is typically between 10mm to 20mm. This size allows for efficient harvesting by capturing the olives while letting debris and smaller branches fall through the net.

Q: Can olive nets be used on olive trees grown in greenhouses?: Yes, olive nets can be used on olive trees grown in greenhouses. Olive nets are commonly used to protect the fruits from birds and pests. In a greenhouse setting, these nets can provide additional protection and help maintain the quality of the olives.

Q: How do you prevent olive nets from causing damage to wildlife or birds?: One way to prevent olive nets from causing damage to wildlife or birds is by using specially designed nets with smaller mesh sizes that can prevent animals or birds from getting entangled or trapped. Additionally, regularly monitoring the nets and removing any unintended catch can also minimize harm to wildlife. Furthermore, employing scare devices such as visual deterrents or noise makers near the nets can help deter birds from getting close and potentially getting trapped.

Q: How do you prevent olive nets from causing injuries to workers during harvesting?: To prevent olive nets from causing injuries to workers during harvesting, several measures can be taken. Firstly, proper training and education should be provided to workers on the safe use of nets and the potential risks involved. This includes demonstrating the correct techniques for handling and setting up the nets. Secondly, it is crucial to ensure that the nets used are of high quality and in good condition. Regular inspections should be conducted to identify any damages or weak spots that may pose a risk. Prompt repairs or replacements should be made as needed. Additionally, it is important to establish clear guidelines and protocols for the use of nets. This includes defining safe working distances from the nets and implementing strict procedures for workers to follow to avoid entanglement or falls. Proper supervision and monitoring during the harvesting process can help identify any unsafe practices or potential hazards. Regular communication and feedback channels should be established to encourage workers to report any concerns or incidents related to the use of olive nets. Overall, a combination of training, proper equipment maintenance, clear guidelines, and effective supervision can significantly reduce the risk of injuries caused by olive nets during harvesting.

Q: How about making a bottle of yogurt with plastic bottles?: Hello. Glass is best, plastic bottles are easy to produce toxins,A bottle that can be recycled is ok.

Q: Can olive nets be used in both commercial and home olive orchards?: Yes, olive nets can be used in both commercial and home olive orchards. Olive nets are commonly used to protect the olive trees from birds and to collect the falling olives during harvesting. They are versatile and suitable for orchards of all sizes, making them a practical choice for both commercial and home growers.

Q: Do olive nets prevent olives from getting sunburned?: Yes, olive nets are effective in preventing olives from getting sunburned.

Q: How do olive nets affect the air circulation around olive trees?: Olive nets can significantly impact the air circulation around olive trees. These nets are designed to cover the entire canopy of the tree, thus restricting the movement of air through the branches and leaves. As a result, the airflow around the tree is greatly reduced, leading to decreased ventilation and increased humidity levels within the canopy. This altered air circulation can potentially create a more favorable environment for the growth of certain fungal diseases and pests, which thrive in humid conditions. Additionally, reduced air circulation may also affect pollination by hindering the movement of pollen within and between olive trees. Therefore, while olive nets offer benefits such as protecting the fruit from birds and other animals, it is important to consider their potential impact on air circulation and take appropriate measures to ensure adequate ventilation for the health of the olive trees.

Q: Can olive nets be used in regions with high salinity levels in the soil?: Yes, olive nets can be used in regions with high salinity levels in the soil. Olive trees are known to be tolerant of salt in the soil, and the nets are primarily used to protect the olives from birds and other pests. However, it is important to note that excessive salinity can still affect the overall health and productivity of the olive trees, so proper soil management and irrigation practices should be implemented to mitigate the negative effects of high salinity levels.

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