PVC jacket compound

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PVCJacket Compound

I. Type andapplication

Type	Product	Application and Cable Specification
7021N	70℃ PVC jacket compound	Used for wires and cables which working voltage less than 450/750V, and power cables which working voltage less than 26/35kV, according with PVC/ST4 standard of GB5023 and PVC/S-1 standard of GB12706, and H-70 standard of GBT/8815-2008.
7022N	70℃Flexible PVC jacket compound	Used for flexible wires and cables which working voltage less than 450/750V, according with PVC/ST5 standard of GB5023, and HR-70 standard of GBT/8815-2008.
9021N	90℃PVC jacket compound	Used for cables of shipboard, rubber cables, and plastic insulating cables and others as jacket, according with PVC-S2 standard of GB12706, and HI-90 standard of GBT/8815-2008.
9022N	90℃Flexible PVC jacket compound	Used for flexible wires and cables which working voltage less than 450/750V.
HⅡ-90	90℃PVC jacket compound	Used for heat resistant wires and cables which working voltage less than 450/750V, according with HII-90 standard of GBT/8815-2008, and PVC/ST10 standard of GB5023.

II. Productdescription

III. Processing:

The following temperature(℃)profile of extruder is recommended:

Zone	Zone 1	Zone 2	Zone 3	Zone 4	Head	Die
Temperature ℃	140	160	170	175	175	170

IV. Storage andtransport

Packaging：25kg/bag， PE membrane inside bag and Kraft outsidebag.

Storage and transport: Avoiding in directsunlight and weathering. The storage place should be in clean, cool, dry, andventilated conditions.

V. Properties

Table

Item	Unit	Standard Value
Item	Unit	7021N	7022N	9021N	9022N	HⅡ-90
Tensile Strength	≥ MPa	15.0	12.5	16.0	12.5	16.0
Elongation at Break	≥ %	180	200	180	200	180
Impact Brittleness Temperature	℃	-25	-30	-20	-30	-20
Volume Resistivity, at 20℃	≥Ω﹒m	1.0×10⁸	1.0×10⁸	1.0×10⁹	1.0×10⁸	1.0×10⁹
Dielectric Strength	≥ MV/m	18	18	18	18	18
Hot Deformation	≤ %	50	65	40	65	40
Thermal Stability Time at 200℃	≥ min	50	60	80	60	180
Thermal Aging
Aging Temperature	℃	100±2	100±2	100±2	100±2	135±2	115±2
Aging Time	h	168	168	240	240	240	240
Tensile Strength after aging	≥ MPa	15.0	12.5	16.0	12.5	16.0
Variation on Tensile Strength	%	±20	±20	±20	±20	±20
Elongation at Break after aging	≥ %	180	200	180	200	180
Variation on Elongation at Break	%	±20	±20	±20	±20	±20
Loss of Mass	≤ g/m²	23	25	15	25		20

Q: Are there any specific guidelines for using olive nets on old or mature olive trees?: Yes, there are specific guidelines for using olive nets on old or mature olive trees. It is recommended to choose nets that are large enough to cover the entire canopy of the tree, ensuring that no olives are exposed. The nets should be securely fastened to prevent wind damage or birds from accessing the olives. Additionally, it is important to regularly check the nets for any tears or gaps that may compromise their effectiveness. Harvesting should be done carefully to avoid damaging the branches or the tree.

Q: How do you prevent olive nets from getting caught on nearby structures or obstacles?: One way to prevent olive nets from getting caught on nearby structures or obstacles is by ensuring proper installation and securing the nets tightly. Additionally, regular monitoring and maintenance can help identify any potential hazards or damage to the nets, allowing prompt repairs or adjustments to be made to avoid entanglement.

Q: Can olive nets be used for olive tree grafting?: No, olive nets cannot be used for olive tree grafting. Grafting requires specific tools and techniques to join the desired scion with the rootstock, while olive nets are used to cover the trees and protect the olives from birds or other animals.

Q: How do olive nets prevent olives from being damaged by pests?: Olive nets prevent olives from being damaged by pests by creating a physical barrier that blocks insects and birds from accessing the olive trees. This prevents them from feeding on the olives or causing any damage to the fruit.

Q: What does the plastics factory mainly produce?: Polyethylene is an organic plastic raw material ethylene by polyaddition reaction process, non-toxic, tasteless, light quality and good characteristics, is currently recognized by the world food and pharmaceutical packaging materials for plastic bags. The plastic packaging bags made of polyethylene mainly include ordinary polyethylene plastic bags, polyethylene high / low pressure plastic bags, polyethylene vacuum bags, etc. it is one of the most plastic packaging products in the world. Most of polyethylene plastic bags plastic products factory production for food and pharmaceutical industries, especially polyethylene production process using vacuum bag, vacuum principle that does not contain the composition of air bag, restricting the microbial environment, is the ideal material for food packaging.

Q: Can olive nets be used to reduce the risk of soil erosion on slopes?: Yes, olive nets can be used to reduce the risk of soil erosion on slopes. These nets are typically placed on the ground to prevent soil from being washed away by heavy rain or wind. The nets help to stabilize the soil, reduce the impact of water flow, and promote the growth of vegetation. By trapping sediment and preventing it from being carried away, olive nets can effectively minimize soil erosion and preserve the integrity of slopes.

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: Can olive nets be used in regions with high humidity?: Yes, olive nets can be used in regions with high humidity. The nets are designed to protect the olives from damage caused by birds and other pests, regardless of the humidity level in the region.

Q: Can olive nets be used to reduce the risk of soil erosion during heavy rains?: Yes, olive nets can be used to reduce the risk of soil erosion during heavy rains. These nets are designed to prevent the movement of soil particles and rainwater runoff, effectively stabilizing the soil and protecting it from erosion.