Black Resistance to Electricity Mark PE compound

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Product Description:

Black Resistance to Electricity Mark PE compound


Type and application

Type

Product

Application

NDGJ-01

Black Weatherability and Resistance to Electricity Mark HDPE Insulating Compound for Aerial Cables

Applied to less than  10KV aerical cables as insulation which has the requirements of resistance to  electricity mark.

NDPE-22

Black Resistance to  Electricity Mark PE Jacket Compound

Applied to ADSS fiber  cables as jacket which has the requirements of resistance to electricity  mark.

NDPE is a black and resistance to electricity mark PE jacketcompound special for ADSS cables, which based on PE polymer. NDPE has specialadditive. It has very good performance of resistance to electricity mark, andexcellent electrical properties, weatherability, tenacity, abrasive resistanceand excellent resistance to environmental stress crack. Meeting DL/T 788-2001standard.

Processing

The NDPE compound suits to process with extruder which L/D is 25 orabove 25. And it should be dried before using, the temperature is 90.

the following temperature() profile of extruder is recommended:

Zone

1 Zone

2 Zone

3 Zone

4 Zone

Head

Die

Temperature

185

215

220

240

245

250

Note: The processing parameters are for reference only, optimalconditions may vary according to the equipment used. The cooling water tankshould be used sectionally cooling with warm-water echelon in order to reduceinternal stress.

Storage andtransport

Packaging25kg/bag PE membrane inside bag and Kraft outside bag.

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

Properties

Table

Test Item

unit

NDGJ-01

NDPE-22

Standard Value

Typical Value

Standard Value

Typical Value

Density

g/cm3

0.945-0.978

0.95

≤1.2

1.12

2.16kg

Melt Flow Rate

g/10min

≤0.4

0.25

≤0.4

0.33

Tensile Strength

MPa

≥20.0

28.0

≥18.0

20.0

Yield Strength

MPa

≥16.0

21.9

≥15.0

16.0

Elongation at Break

%

≥650

780

≥650

700

Low Temp. Elongation at Break

%

≥175

350

≥175

240

Impact Brittleness Temp.

≤-76

Pass

≤-50

Pass

1154h

Thermal Deformation

%

1

1

Vicat Softening Temp.

≥110

127

≥110

127

Volume Resistivity

Ωm

≥1.0×1014

6.0×1014

≥1.0×1014

4.0×1014

Dielectric Strength

MV/m

≥35

36

≥30

33

Dielectric Constant

≤2.45

2.41

2.5

Dielectric loss tangent

≤0.001

0.0008

Resistance to environmental stress crack

h

500

pass

500

Pass

Resistance to thermal stress crack

h

≥96

Pass

≥96

Pass

Carbon black dispersity

Scatter

≥6

7

≥6

7

     

Note:1The sample made method is thermoplastic pressing which is accord toGB9352 standard.

     Typical value should not be as standard.


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Q:What is the pungent smell of plastic products?
Most plastics are made of PP or PE, which are non-toxic and harmless and have no pungent tasteSome plastics, such as PVC, have chlorine in the molecular structure and produce a small amount of HCl during the process, so they have a sour flavorThere may also be stains or impurities in defective plastics. If sulfur is present, the possibility of producing sulfides is not ruled out
Q:Has the plastic bottle been poisoned for a long time?
Plastic recycling signs are like plastic containers. Small triangular symbols are usually printed at the bottom of a plastic container. The numbers in the triangular frame range from 1 to 7, and each number represents a plastic container of different specifications, which makes a difference in meaning.
Q:Can plastics be recycled?
According to the thermal properties of plastics can be divided into two categories, one is thermosetting plastics, thermosetting plastics is cured or insoluble in heat or other conditions (melting) properties of plastic, such as phenolic epoxy plastics.
Q:What is the material of plastic bottles? Will plasticizers be produced?
Plastic bottles are made of polyethylene or polypropylene and added a variety of organic solvents. Most of the beverage bottles are made of plastic. The two materials, polyethylene and polypropylene, are non-toxic and tasteless. They are used for filling drinks and so on. They are very safe for the human body. But once the polyethylene is subjected to high temperature or acid corrosion, it dissolves slowly and releases organic solvents, which can cause harm to the human body.
Q:What kind of plastic bottles can be used again and again?
China CPPIA plastics recycling Specialized Committee vice president Dong Jinshi told reporters that the plastic bottle and the bottle triangular numbers marked "safe" never mind. The triangle symbol is a sign of plastic recycling. The triangle containing 1 ~ 7 numbers, each number represents different materials, if the product is made several different materials, it is marked products main and basic materials. In our country, plastics recycling label logo is not mandatory, some of the regular brand enterprises in order to facilitate the recycling of plastic products, have recently started to label recycling. Experts believe that although this sign is mainly in order to facilitate recycling use, but also consumers can know the use of plastic products is made of what material through the logo, should use plastic recycling signs in the digital environment in what Secret.
Q:The plastic basin is broken. How do you fix it?
Tonic! It's like a candle stick. Take it on the fire and place it in a plastic pot. Just press it for a while
Q:What is the low temperature resistance of plastic PS?
The long-term use temperature is above 10 degrees
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:I would like to ask you, I use plastic bags or other plastic bags of food in the refrigerator, and take out a plastic flavor, not only in the freezer, but also in fresh keeping!
My Haier double door refrigerator, air-cooled type, this problem has been a long time, as long as it is plastic products, it will produce a strong plastic taste
Q:What is environmentally friendly engineering plastics?
Now technically called environmentally friendly engineering plastics generally refer to halogen-free plastics,

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