PVC insulating compound

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PVC Insulating Compound

I. Type andapplication

Type	Product	Application and Cable Specification
7001N	70℃PVC insulating compound	Used for instrument and communication cables which working voltage less than 0.6/1kV, according with PVC/C standard of GB5023，and J-70 standard of GBT/8815-2008 .
7002N	70℃Flexible PVC insulating compound	Used for flexible cables which working voltage less than 450/750V, according with PVC/D standard of GB5023, and JR-70 standard of GBT/8815-2008.
JGD-70	70℃ High electrical properties PVC insulating compound	Used for power cables which working voltage less than 3.6/6kV, according with JGD-70 standard of GBT/8815-2008.
J-90N	90℃PVC insulating compound	U sed for heat resistant wires and cables which working voltage less than 450/750V, according with PVC/E standard of GB5023, and J-90 standard of GBT/8815-2008.

II.Productdescription

PVC insulating compound for wires andcables, based on PVC resin, is made into granula by mixing, plastification andgranulation with adding plasticizer, stabilizing agent, pigment and etc. Theproducts meet various special requirements, such as different hardness, UVstable, environment friend (RoHs, REACH, PAHs, chlorinated alkanes free, phthalate free, and etc.), sub-shine and fogsurface, low temperature resistant, PS/ABS transfer proof, rodent-repellent,termite-repellent, and transparent, and etc.

III.Processing:

Thefollowing temperature(℃)profile of extruder is recommended:

Zone	Zone 1	Zone 2	Zone 3	Zone 4	Head	Die
Temperature ℃	140	160	170	175	180	175

IV. Storageand transport

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

Storageand transport: Avoiding in direct sunlight and weathering. The storage place shouldbe in clean, cool, dry, and ventilated conditions.

Ⅴ、Properties

Table

Item		Unit	Standard Value
Item		Unit	7001N	7002N	JGD-70	J-90N
Tensile Strength		≥ MPa	15.0	15.0	16.0	16.0
Elongation at Break		≥ %	150	180	150	150
Impact Brittleness Temperature		℃	-15	-20	-15	-15
Volume Resistivity, at 20℃		≥Ω﹒m	1.0×10¹²	1.0×10¹¹	3.0×10¹²	1.0×10¹²
Volume Resistance at working temperature	Temperature	℃	70±1	70±1	70±1	95±1
Volume Resistance at working temperature	Volume Resistance	≥Ω﹒m	1.0×10⁹	1.0×10⁸	5.0×10⁹	5.0×10⁸
Dielectric Strength		≥ MV/m	20	20	25	20
Hot Deformation		≤ %	40	50	30	30
Thermal Stability Time at 200℃		≥ min	60	60	100	180
Thermal Aging
Aging Temperature		℃	100±2	100±2	100±2	135±2	115±2
Aging Time		h	168	168	168	240	240
Tensile Strength after aging		≥ MPa	15.0	15.0	16.0	16.0	－
Variation on Tensile Strength		%	±20	±20	±20	±20	－
Elongation at Break after aging		≥ %	150	180	150	150	－
Variation on Elongation at Break		%	±20	±20	±20	±20	－
Loss of Mass		≤ g/m²	20	20	20	－	20
Dielectric Loss Factor		≤	－	－	0.1	－	－

Q: How do olive nets affect the overall appearance of the olive fruit?: Olive nets can greatly impact the overall appearance of the olive fruit. By covering the trees and preventing the olives from falling to the ground, the nets ensure that the fruit remains clean and free from blemishes caused by contact with the soil. Additionally, the nets protect the olives from bird and insect damage, preserving their shape and color. As a result, the olives harvested from trees protected by nets tend to have a more uniform and aesthetically appealing appearance.

Q: What sizes are olive nets available in?: Olive nets are available in various sizes, ranging from small to large, depending on the specific needs and requirements of the olive grove.

Q: Can olive nets be used in combination with bird repellents?: Yes, olive nets can be used in combination with bird repellents. Olive nets serve as a physical barrier to prevent birds from accessing crops, while bird repellents work to deter birds through scent, taste, or sound. Using both methods together can enhance the effectiveness of bird control strategies and provide a more comprehensive approach to protecting crops from bird damage.

Q: What harm does it take to eat hot food with plastic?: Illegal plastic bags of household waste, the main ingredients of waste plastics are polyvinyl chloride, inferior additives in the processing process and if not conforming to the provisions of the state or seriously exceed the standard combination, will produce a strong carcinogen. With such plastic bags to wrap food, fruits and vegetables, harmful substances will be absorbed on the food, even if it is difficult to remove the rinse.

Q: Are there any specific maintenance requirements for olive nets?: Yes, olive nets require regular maintenance to ensure their effectiveness. Some specific maintenance requirements for olive nets include regular cleaning to remove debris and leaves, inspecting for any tears or holes that may compromise their functionality, and storing them properly when not in use to prevent damage. Additionally, it is important to check the tension of the nets periodically and adjust as necessary to ensure a secure fit around the olive trees.

Q: What is the purpose of using a net in olive harvesting?: The purpose of using a net in olive harvesting is to catch the falling olives and prevent them from hitting the ground, which can cause damage to the olives and reduce their quality. The net also makes it easier to collect the olives, as they are all contained in one place, making the harvest more efficient.

Q: Can olive nets be used in olive groves with limited access to labor?: Yes, olive nets can be used in olive groves with limited access to labor. Olive nets are commonly used in olive groves to facilitate the harvesting process by catching the olives as they fall from the trees. This method reduces the need for manual labor during harvesting, making it feasible for groves with limited access to labor. The nets can be placed strategically under the trees, allowing the olives to drop onto them and be collected easily. Using olive nets in such groves can help maximize efficiency and minimize dependency on labor-intensive harvesting methods.

Q: Can olive nets be used in combination with soil erosion prevention techniques?: Yes, olive nets can be used in combination with soil erosion prevention techniques. Olive nets are commonly used to protect olive trees from pests, but they can also be effective in preventing soil erosion. By installing olive nets on slopes or areas prone to erosion, they can help to stabilize the soil and prevent it from being washed away by rainwater or blown away by wind. Additionally, the nets can also provide shade and reduce evaporation, promoting moisture retention in the soil and further preventing erosion. Therefore, using olive nets in combination with other erosion prevention techniques such as terracing, mulching, or planting ground cover can enhance the overall effectiveness of soil erosion prevention measures.

Q: Can olive nets be used for olive tree sapling protection?: Yes, olive nets can be used for olive tree sapling protection. Olive nets provide a physical barrier that helps protect the young saplings from pests, birds, and other potential threats.

Q: Can olive nets be used to reduce nutrient deficiencies?: No, olive nets are primarily used for harvesting olives and do not have any direct impact on reducing nutrient deficiencies. Nutrient deficiencies are typically addressed through dietary changes, supplementation, or fortified food products.

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