PVC compound for VDE standard wires and cables

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 3000 Tons kg/month

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PVC compound for VDE standard wires and cables

I. Type and application

Type	Product	Application and Cable Specification
3901N	PVC insulating compound for VDE standard at 90℃	Used for wires and cables which according with VDE standard
3921N	PVC jacket compound for VDE standard at 90℃	Used for wires and cables which according with VDE standard

II. Productdescription

PVC compound for VDE standard wires andcables, based on PVC resin, is made into granula by mixing, plastification andgranulation with adding plasticizer, stabilizing agent, flame retardant andetc. The products meet various special requirements, such as differenthardness, UV stable, environment friend (RoHs, REACH, PAHs, chlorinated alkanesfree, phthalate free, and etc.),sub-shine and fog surface, low temperature resistant, PS/ABS transfer proof,rodent-repellent, termite-repellent, and transparent, and etc.

III. Processing

It is recommended that compound should beprocessed with common extruder having a minimum L/D ratio of 20.

The following 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 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	3901N		3921N
Tensile Strength	≥ MPa	16.0		10.0
Elongation at Break	≥ %	150		150
Impact Brittleness Temperature	℃	-15		-20
Volume Resistivity, at 20℃	≥ Ω﹒m	1.0×10¹¹		1.0×10⁸
Volume Resistance at working temperature of 90℃	≥ Ω﹒m	1.0×10⁸		-
Dielectric Strength	≥ MV/m	20		18
Hot Deformation	≤ %	30		50
Thermal Stability Time at 200℃	≥ min	240		240
Thermal Aging
Aging Temperature	℃	135±2	115+2	135±2	115±2
Aging Time	h	14×24	14×24	14×24	14×24
Tensile Strength after aging	≥ MPa	16.0		10.0
Variation on Tensile Strength	%	+25		+25
Elongation at Break after aging	≥ %	150		150
Variation on Elongation at Break	%	+25		+25
Loss of Mass after aging	≤ g/m²		15		15

Q: What is the most effective way to reduce the environmental pollution caused by plastic bags?: First, strengthen management.Two, prohibit the use of disposable biodegradable plastic packaging.Three, forced recycling.

Q: Can olive nets be used for table olive production?: Yes, olive nets can be used for table olive production. These nets are commonly used to protect the olives from birds and other animals, as well as to collect the olives during harvesting. By using olive nets, the olives can be kept clean and free from damage, ensuring higher quality table olive production.

Q: What are the shapes of plastic parts?: The shape of the plastic parts should meet the requirements of the use of the premise, so that it is conducive to forming, in particular, should not try to use the lateral core pulling mechanism, so the design of plastic parts should be avoided as possible lateral concave convex shape or side hole.

Q: How do olive nets prevent olives from being damaged by animals?: Olive nets act as a physical barrier, covering the olive trees and preventing animals from reaching the olives. By keeping animals like birds, squirrels, or insects away, olive nets effectively protect the olives from being damaged or eaten.

Q: Are there any environmental concerns related to the use of olive nets?: Yes, there are some environmental concerns related to the use of olive nets. The nets, if not managed properly, can trap and harm birds and other wildlife that may become entangled in them. Additionally, the use of nets can also lead to soil erosion and impact the overall ecosystem by altering natural processes such as seed dispersal or the nutrient cycle. However, with proper management practices and the use of eco-friendly alternatives, these concerns can be minimized.

Q: Do olive nets affect the taste of the olives?: Yes, olive nets can affect the taste of olives. When olives are left on the tree for a longer period of time to ripen, they tend to have a richer and more flavorful taste. However, using olive nets to harvest olives can speed up the process and result in slightly less ripe olives, which can impact their taste.

Q: Are olive nets adjustable for different tree heights?: Yes, olive nets are adjustable for different tree heights. They usually come with adjustable straps or ropes that can be tightened or loosened to fit the specific height of the olive tree.

Q: Do olive nets affect the quality of the olive oil produced?: Yes, olive nets can affect the quality of the olive oil produced. The nets are used to collect the olives as they fall from the trees, but if not properly maintained or if left on for too long, they can lead to increased moisture and lack of airflow. This can result in the olives rotting or developing mold, which negatively impacts the quality of the oil produced. Additionally, if the nets are not cleaned regularly, debris and dirt can contaminate the olives, further affecting the oil's quality.

Q: How do I calculate the size of olive net needed for my orchard?: To calculate the size of olive net needed for your orchard, you should measure the total area of your orchard and then determine the spacing between the trees. Multiply the length and width of the orchard to get the total area, and divide it by the spacing between the trees. This will give you an estimate of how many olive nets you will need to cover your orchard adequately.

Q: Can olive nets be used for olive trees in regions with limited access to electricity?: Yes, olive nets can be used for olive trees in regions with limited access to electricity. Olive nets are primarily used for harvesting olives, and they do not require electricity for their operation. These nets are spread beneath the olive trees to catch the falling olives during harvesting, making it easier to collect them. Therefore, the limited access to electricity does not affect the use or effectiveness of olive nets in these regions.

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