High electrical property SR-PVC Jacketing compound for high voltage cables

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Product Description:

High electrical property SR-PVC Jacketing compound

for high voltage cables

I.             Type and application

Type

Product

Application

9023N-J

90flame retardant high  electrical property SR-PVC jacketing compound

Applying to high voltage cables and other  area cables as flame retardant jacketing compound

9021N-J

90high electrical  property SR-PVC jacketing compound

Applying to high voltage cables and other  area cables as jacketing compound

II.           Product description

Theseproducts are based on PVC resin, is made into granula by mixing, plastificationand granulation with adding plasticizer, stabilizing agent, flame retardant andetc.

III.          Processing

It isrecommended that compound should be processed with common extruder having aminimum L/D ratio of 20.

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

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

IV.          Storage and transport

Packaging25kg/bagAluminum foil or PE membrane inside bagand complex Kraft outside bag.

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

V.           Properties  

Table

Item

Unit

Standard  Value

9023N-J

9021N-J

Density

≤g/cm3

1.42

1.42

Hardness

Shore D

45-55

45-55

Tensile Strength

≥MPa

20.0

16.0

Elongation at Break

≥ %

220

180

Thermal Aging

×h

100±2×240

100±2×240

Tensile Strength after aging

≥MPa

20.0

16.0

Variation on Tensile Strength

%

±10

±20

Elongation at Break after aging

≥ %

220

180

Variation on Elongation at Break

%

±15

±20

Loss of Mass

≤g/m2

18

15

Oxygen Index

≥ %

30

-

Volume Resistivity,  at 20

Ωm

1.0×1012

1.0×1012

Hot Deformation

≤ %

20

20

Thermal Stability Time

at 200

≥min

150

80

Impact Brittleness in low temp.

-15

-15

Dielectric Strength

≥MV/ m

20

20


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Q:Are there several labels for edible plastics?
Plastic film, plastic film, plastic film don't wrapped on the surface of food into the microwave oven use: heat resistance is not strong, usually, PE film qualified will appear in the case of the phenomenon of hot melt at the temperature above 110 DEG C, will leave some body decomposition plastic formulations. And wrap the food with plastic wrap to heat it. The grease in the food easily dissolves the harmful substances in the preservative film. Therefore, the food into the microwave oven, it is necessary to remove the wrapped plastic wrap.
Q:How about making a bottle of yogurt with plastic bottles?
The best selection of high temperature resistant plastic bottles or containers, because in the production of yogurt is fermented, fermentation temperature is about 40 degrees, if the plastic containers used under high temperature will release harmful substances, which is harmful to health, high temperature resistant plastic products will not have this phenomenon, for example plastic products, microwave oven suitable, or other ceramic products or glass containers.
Q:What are the distinguishing features of plastics? What is their chemical name?
Generally refers to large output, wide use, good formability, cheap plastic. There are five kinds of general plastics, namely polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS) and acrylonitrile butadiene styrene copolymer (ABS). These five kinds of plastics accounted for the vast majority of plastic raw materials used, the basic can be classified as special plastic varieties, such as: PPS, PPO, PA, PC, POM and so on, they are in daily life in the small amount of the product, mainly used in the field of engineering, National defense science and technology industry and other high-end, such as automotive, aerospace, architecture, communications and other fields. Plastics are classified into thermoplastic and thermosetting plastics according to their plasticity. Usually, thermoplastic plastic products can be recycled, and thermosetting plastics are not, according to the optical properties of plastics to points, can be divided into transparent, translucent and opaque materials, such as PS, PMMA, AS and PC belong to the transparent plastic, and most other plastics are made of opaque plastic.
Q:Plastic molding is what to do, how the process?
The choice of plastic molding is mainly determined by the type of plastic (thermoplastic or thermosetting), the starting form, and the shape and size of the product. The commonly used methods for processing thermoplastics are extrusion, injection molding, calendering, blow molding and thermoforming. Thermosetting plastics are generally molded, delivered and molded by injection molding. The plastic molding is various forms (such as powder, granules, solution and dispersion) of plastic products or parts required for the shape of. As many as 30 kinds of molding method. Lamination, molding and thermoforming are the processes of forming plastics on a flat surface. The plastic processing method can be used for rubber processing. In addition, there are liquid monomers or polymers as raw materials such as casting. In these methods, extrusion and injection molding are the most widely used and the most basic molding methods.
Q:What is the pungent smell of plastic products?
Materials are many. They may be polyethylene, polypropylene, polyvinyl chloride, and so long as they are insoluble in water, they can be used as hoses. Some polymer itself has a flavor, but it should not be pungent, but also may be that I said before impurities. I can't give a positive answer. But one thing is for sure, the impurities in polymer materials are almost impossible to remove
Q:Waste plastics recycling plant how to solve environmental problems
Environmental Management: according to the status of sewage sewage treatment facilities must be clear, and then in accordance with the national wastewater discharge standard for exhaust emissions, organic waste gas can be treated with activated carbon absorption possible. For solid waste, it is necessary to sign contracts directly with qualified hazardous waste treatment institutions and conduct professional management by them.
Q:The working principle of plastic mould
The structure is usually composed of molding parts, gating system, guiding parts, pushing out mechanism, temperature regulating system, exhaust system and supporting parts.
Q:What are the characteristics of plastic products?
Plastic is a kind of synthetic polymer with plasticity. It forms with synthetic rubber and synthetic fibers
Q:What is the low temperature resistance of plastic PS?
PS:= polystyrene (polystyrene)Material characteristics: the disadvantages are: product brittle, low impact strength, prone to stress cracking, poor heat resistance; heat resistance: 60-70 degrees, compared with other plastics, the characteristics of PS are highly transparent (light transmittance 88%-92%) and surface gloss, easy dyeing, high hardness, good rigidity in addition, there is a good water resistance, chemical corrosion resistance and processability.
Q:What are the processing methods of black masterbatch and what is more prominent than other plastic raw materials?
In the dyeing of plastic products, black masterbatch only 0.6%-0.8%, it will be extremely black, and no more will not be more dark. According to the experimental data show that the product in Xinjiang area for outdoor use, such as the need to rely on black masterbatch anti aging, as long as the use of high-quality black masterbatch (rather than return material as carrier, oil wetting, dispersion of calcium carbonate and so on it), content of carbon black in the products reached 2-2.5%, namely: every 100 kilograms of raw materials, there is a 5-6 (the weight of 40%) containing carbon black masterbatch, the role played by far more than any anti aging products, product life can reach more than 10 years. That's why drip irrigation products, water delivery products, communications cable products are all black.

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