Semiconducting PVC Jacketing Compound for High Voltage Cable

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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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Semiconducting PVCJacketing Compound for High Voltage Cable

I. Typeand application

Type	Product	Application and Cable Specification
VB-35A	Semiconducting PVC Jacketing Compound for High Voltage Cable	Applying to high voltage cables and other area cables as jacketing compound
VBZ-35A	Semiconducting Flame retardant PVC Jacketing Compound for High Voltage Cable	Applying to high voltage cables and other area cables as flame retardant jacketing compound

II. ProductDescription

Theseproducts used PVC resin as base materials, and added nanometer conductivecarbon black as filling, by mixing, plasticizing, pelleting, and finished aspellets. These products have very good conductive and processingcharacteristics. And it mainly substituted the graphite coat structure.

In theformula, it decreased the affect of plasticizer to conductive carbon black bythe technology of toughness reinforcing. At the same time, reduced the affectof materials low temperature and processing properties, because adding masscarbon black in the products. And we selected suitable low temperatureadditiver and rheological agent to improve the PVC materials, and made it hasgood integrated properties.

III. Processing

Use singlescrew extruder to process, suggest to put one layer 60/80 strainer.

Thefollowing temperature(℃) profile of extruder is recommended:

Zone	Zone 1	Zone 2	Zone 3	Zone 4	Zone 5	head	Die1	Die2
Temperature ℃	140	155	160	165	170	170	170	170

Note:Above information just for you refer, please adjust it according to equipmentconditions and extruding situation.

IV. Storageand transport

Packaging：25kg/bag，Aluminumfoil vacuum and moistureproof inside bag and complex Kraft outside bag.

Storage and transport: Avoiding indirect sunlight and weathering. The storage place should be in clean, cool,dry, and ventilated conditions.

V. Properties

Table

Item	Unit	VB-35A		VBZ-35A
Item	Unit	Standard Value	Typical	Standard Value	Typical
Tensile Strength	≥ MPa	12.5	14.5	12.5	14.2
Elongation at Break	≥ %	180	220	180	230
Impact Brittleness Temperature	℃	-15	Pass	-15	Pass
Volume Resistivity, at 23℃	≤ Ω﹒cm	100	25	100	30
Hot Deformation	≤ %	40	25	40	26
Thermal Stability Time at 200℃	≥ min	80	Pass	80	Pass
Thermal Aging	℃×h	100±2/168		100±2/168
Tensile Strength after aging	≥ MPa	12.5	14.8	12.5	14.6
Variation on Tensile Strength	%	±20	+2	±20	+3
Elongation at Break after aging	≥ %	180	200	180	210
Variation on Elongation at Break	%	±20	-9	±20	-8
Loss of Mass	≤ g/m²	20	12	20	13
Oxygen Index	≥ %	_	_	30	30

Q: How do olive nets affect the overall appearance of the olive fruit?: Olive nets protect the olive fruit from external factors such as birds, insects, and debris, which can negatively impact their appearance. By preventing damage and ensuring a cleaner harvesting process, olive nets contribute to the overall improved appearance of the fruit.

Q: How do plastics weld?: Plastic welding is limited to thermoplastic welding because only thermoplastics can be melted or softened while they are heated, while thermosetting plastics cannot be softened and remelted while they are heated.Hot air welding oxyacetylene similar to metal, but the latter with the former fire hot air heating. Hot gas welding process, the welding torch from the hot gas stream (typically 200 to 300 degrees Celsius temperature, flow rate of 15 ~ 60L/min) and the filler rod and welding pieces of the heating surface, when the material softening reached sticky state, filling rod continuous pressure into the weld. The filling bar material is the same as that of the base metal, usually round (about 3mm in diameter), and is welded by multiple bead welding. One drawback of the round filling rod is that the hollow bubbles are easily entrapped in the weld during the multi pass process, resulting in lower strength. This problem can be solved by using a triangular section welded rod. Typical materials for hot air welding include polyvinyl chloride, polyethylene, polypropylene, plexiglass, polycarbonate, POM, polystyrene, nylon, ABS and so on. The main advantage of hot gas welding is adaptive (flexibility), portable equipment and processing of large, complex parts can be simple. Hot air welding is suitable for irregular structures, but it is slow and the quality of welding depends largely on the skill of the operator. Therefore, it is seldom used in mass production, but it is suitable for repair operation.

Q: How do you prevent olive nets from causing damage to surrounding vegetation or wildlife?: To prevent olive nets from causing damage to surrounding vegetation or wildlife, there are a few measures that can be taken. Firstly, it is important to properly install and secure the nets to ensure that they do not come loose or get blown away by strong winds. Additionally, regular monitoring and maintenance of the nets should be done to address any potential issues or damage caused by the nets. It is also crucial to remove the nets promptly after the harvest season to minimize any negative impact on vegetation or wildlife. Finally, using alternative methods like manual harvesting or employing specialized machinery can also help reduce the potential damage caused by olive nets.

Q: What are the processing methods of black masterbatch and what is more prominent than other plastic raw materials?: Double screw method, using mixing machine materials after mixing by twin screw extruder braces or granulation water, double screw mixing machine itself due to limited capacity, the general concentration of 25-32% in carbon black masterbatch. Mixing method, using mixing machine, mixing the material, adding mixer, kneading, and then feeding machine into the twin-screw extruder, water ring or underwater cut, masterbatch, general carbon black concentration of 40-45%.

Q: Can olive nets be used in combination with harvesting machinery?: Yes, olive nets can be used in combination with harvesting machinery. Olive nets are often spread under olive trees to catch the falling olives during mechanical harvesting. This allows for easier collection and reduces damage to the olives.

Q: Is there a specific color olive net that works best?: There is no specific color olive net that works best, as it depends on various factors such as the surrounding environment, lighting conditions, and personal preferences.

Q: How do olive nets prevent olives from being damaged by diseases?: Olive nets act as a physical barrier that prevents pests, insects, and birds from accessing the olive trees, thus reducing the risk of diseases being transmitted to the olives.

Q: What about the outlook for plastic particles?: A medium-sized plastic woven bag factory annual consumption of more than 2000 tons of recycled polypropylene particles, even individual small factories are required minimum annual consumption of hundreds of tons; a medium-sized shoe factory in need of polyvinyl chloride (PVC) recycling 2000 tons of recycled plastics enterprise...... particles of huge demand, provide a broad market space for enterprises and individuals to establish the regeneration of the waste plastic particles factory. As a result, recycled plastic particles do not worry about sales.

Q: Can olive nets be used in areas with sandy or rocky soils?: Yes, olive nets can be used in areas with sandy or rocky soils. Olive nets are typically made of strong and durable materials that can withstand various soil conditions. They are designed to protect the olives from falling to the ground and getting damaged during harvesting. So, regardless of the soil type, olive nets can effectively be used to collect olives and ensure a successful harvest.

Q: Can olive nets be used for olive trees grown in greenhouses?: No, olive nets are typically not used for olive trees grown in greenhouses as they are primarily used for outdoor cultivation to protect the fruits from birds and other pests. In a greenhouse setting, other methods such as manual pollination and controlled pest management are employed.

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