PVC compound for VDE standard wires and cables

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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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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: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 olives from birds and other pests, and this protection is equally applicable to olive trees grown in greenhouses. The nets can be installed over the trees to prevent any potential damage or loss of the olives.

Q:How does an olive net affect the overall fruit storage capability in the olive grove?: An olive net positively affects the overall fruit storage capability in an olive grove. By placing the net underneath the olive tree, it effectively catches the falling olives as they ripen and drop from the branches. This prevents the olives from coming into contact with the ground, reducing the risk of spoilage and contamination. The net also acts as a protective barrier, preventing birds and other animals from accessing and damaging the olives. Consequently, the olive net helps to maintain the quality and quantity of the harvested fruit, enhancing the overall fruit storage capability of the olive grove.

Q:Can olive nets be used for other crops?: Yes, olive nets can be used for other crops as well. Olive nets are designed to protect the crop from birds and other pests, so they can also be effective in safeguarding other fruit trees or plants from similar threats. However, it is important to consider the specific requirements of each crop before using olive nets, as certain plants may have different growth patterns or need specific netting systems.

Q:Can olive nets be used in olive groves with limited access to shade?: Yes, olive nets can be used in olive groves with limited access to shade. Olive nets are primarily used to protect the olives from birds and other pests, rather than providing shade. However, in groves with limited shade, the nets may help provide some shade to the olives, reducing water evaporation and protecting them from excessive sunlight.

Q:How do you protect olive nets from rodents or other pests?: One way to protect olive nets from rodents or other pests is by installing wire mesh or netting around the perimeter of the olive trees. This physical barrier prevents pests from accessing the nets and damaging the olives. Additionally, using organic pest control methods, such as introducing predator insects or utilizing natural repellents, can help deter rodents and other pests from approaching the olive nets.

Q:Can olive nets be used for olive tree propagation from saplings?: No, olive nets are typically used for harvesting olives from mature trees, not for the propagation of olive trees from saplings.

Q:How do olive nets affect the efficiency of harvesting?: Olive nets significantly enhance the efficiency of harvesting by preventing the olives from falling onto the ground or getting lost within the tree foliage. These nets create a catchment area under the trees, making it easier to collect the olives in one place. This method minimizes wastage and allows for a more systematic and streamlined harvesting process, ultimately increasing overall efficiency.

Q:Can olive nets be used in combination with pest monitoring techniques?: Yes, olive nets can be used in combination with pest monitoring techniques. The nets provide physical protection against pests and can help reduce their populations. By using pest monitoring techniques alongside olive nets, farmers can assess the effectiveness of the nets in controlling pests and make informed decisions about their pest management strategies.

Q:How do olive nets prevent fruit bruising during harvesting?: Olive nets prevent fruit bruising during harvesting by creating a protective barrier between the falling olives and the ground. The nets catch the olives as they drop from the tree, preventing them from hitting the hard surface and getting damaged. This gentle collection method ensures that the olives remain intact and bruise-free, maintaining their quality and preserving their value.

Q:Can olive nets be used in regions with frequent rainfalls?: Yes, olive nets can be used in regions with frequent rainfalls. Olive nets are designed to protect the olives from various elements, including rain. They are made from durable and waterproof materials that prevent water from penetrating through, ensuring the olives remain safe and unaffected by the rainfall.

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