PVC compound for VDE standard wires and cables

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Shanghai
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TT OR LC
Min Order Qty:
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Supply Capability:
3000 Tons kg/month

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Product Description:

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

3901N

3921N

Tensile Strength

≥   MPa

16.0

10.0

Elongation at  Break

≥    %

150

150

Impact Brittleness Temperature

  ℃

-15

-20

Volume Resistivity,  at 20℃

≥ Ωm

1.0×1011

1.0×108

Volume Resistance at  working temperature of 90℃

≥ Ωm

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


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Q:How do you understand the level of engineering plastics?
HDPE (HDPE): common white bottles, cleaning products, bath products. High temperature resistant, but not easy to clean, easy to breed bacteria, do not recycle.
Q:What is the pungent smell of plastic products?
Therefore, the pungent smell of plastic products, or to see what the use of materials to do, can not be generalized
Q:Plastic products 2 can hold hot thing?
At present, many plastic products, with colorless and transparent special food bags of food is good, no other harm, opaque, or colored plastic bags are not packaged food, agricultural film is seemingly transparent, colored, is very light. It is not a packaged food product.
Q:How can plastics be produced, In several ways?
Extrusion, also known as extrusion molding, is the use of extruders (extruders) to heat the resin continuously through the mold extrusion of the desired shape of the product. Extrusion is sometimes also used in the forming of thermosetting plastics and can be used in the moulding of foamed plastics. The advantage of extrusion is that it can extrude various shapes of products. The production efficiency is high, it can be automated and continuous production. The disadvantage is that thermosetting plastics can not be widely used in this process, and the size of products is prone to deviation.
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 plastic bottle used to make after crushing?
After grinding, the granules can be pulled into recycled granules for processing in injection molding or blow molding factories.
Q:What is the shell of the relay? What exactly is plastic?
Other crosslinked plastics include unsaturated polyester, epoxy resin, phthalic two, diallyl resin, etc.. In thermoplastic resins, the molecular chains of resins are linear or branched, with no chemical bonds between the chains, and soften the flow when heated. The process of cooling hardens is a physical change. The first heating thermosetting plastics can be softening, heated to a certain temperature, chemical reaction and curing a chain to harden, this change is irreversible, then again, when heated, can no longer become soft flowing.
Q:Plastic parts are easy to crack under what conditions
Cracking, including surface cracks, cracks, cracks, cracks, cracks and cracks caused by mold sticking and flow passage, and cracking and cracking in cracking time. The main reasons are as follows:1. processing:(1) the pressure is too large, the speed is too fast, the more charge, the injection and the holding time are too long, and it will cause the internal stress to be too big and crack.(2) adjust the mold opening speed and pressure to prevent the rapid and strong pulling.(3) adjust the mold temperature properly, make the parts easy to release, reduce the material temperature properly and prevent decomposition.(4) prevention of cracking due to weld line and lower mechanical strength caused by degradation of plastics.(5) the appropriate use of release agent, pay attention to often remove the mold surface attached to aerosol and other substances.(6) the residual stress of the workpiece can eliminate the internal stress and reduce the formation of the crack by annealing immediately after molding.
Q:What are the hazards of plastic oiler
Phthalates, two formic acid and phenol methane, are common chemicals used in plastic products. They have carcinogenic effects on humans over a long period of time. So use plastic less food.
Q:Can plastic bottles drink hot water?
Plastic of this kind of material is used mainly to pack mineral water, juice, carbonated beverage plastic bottle. Plastic 1, polyethylene terephthalate (PET). This material has poor heat resistance and the maximum use temperature is not more than 70 degrees celsius. Heating or holding water will deform and dissolve harmful substances.Don't use this kind of drink bottled hot water, and don't use it as a cup or storage for a long time. You'd better finish it and throw it away.

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