Low-smoke, low-halogen and flame retardant PVC compound

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

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Product Description:

Low-smoke, low-halogen and flame retardant PVC compound

I.    Type and application

Type

Product

Application and Cable Specification

DJ-70N

70℃Low-smoke,  low-halogen and flame retardant PVC insulating compound

Insulation  of flame retardant wires and cables which operation temperature is at 70℃  with the demand of low-smoke, low-halogen

DH-70N

70℃Low-smoke,  low-halogen and flame retardant PVC jacket compound

Jacket  of flame retardant wires and cables which operation temperature is at 70℃  with the demand of low-smoke, low-halogen

DJ-90N

90℃Low-smoke,  low-halogen and flame retardant PVC insulating compound

Insulation  of flame retardant wires and cables which operation temperature is at 90℃  with the demand of low-smoke, low-halogen

DH-90N

90℃Low-smoke,  low-halogen and flame retardant PVC jacket compound

Jacket  of flame retardant wires and cables which operation temperature is at 70℃  with the demand of low-smoke, low-halogen

II.   Product description

Low-smoke, low-halogen and flame retardantPVC compound for cables and wires, based on PVC resin, is made into granula byspecial technology with adding special plasticizer, stabilizing agent, flameretardant, smoke suppressant, HCL absorber and other special agents. Thecompound has well performance of flame retardant. It has low smoke and lowburst size of HCL when burning. The produced wires and cables have 60% lighttransmittance. The products meet various special requirements, UV stable,environment friend (RoHs, REACH, PAHs, chlorinated alkanes free,  phthalate free, and etc.), sub-shine and fogsurface, rodent-repellent, termite-repellent, and etc.

III.  Processing

It is recommended that compound should beprocessed with common extruder having a minimum L/D ratio of 20. Non-specialrequirements of equipment and processing are needed.

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.   Storage and transport

Packaging:25kg/bag, PE membrane inside bag and Kraft outsidebag.

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

Properties

Table

Item

Unit

Standard Value

DJ-70N

DH-70N

DJ-90N

DH-90N

Tensile Strength

≥  MPa

15.0

15.0

16.0

16.0

Elongation at Break

≥   %

150

180

150

180

Impact  Brittleness Temperature

 

-15

-20

-15

-20

Volume Resistivity, at 20

≥ Ωm

1.0×1011

1.0×109

1.0×1011

1.0×109

Volume Resistance at working temperature

Temperature

70±1

90±1

Volume Resistance

≥ Ωm

1.0×108

1.0×108

Dielectric  Strength

≥ MV/m

20

18

20

18

Hot  Deformation

≤   %

40

50

40

50

Thermal  Stability Time

at 200

≥  min

60

60

80

80

Oxygen  Index

30

30

30

30

Thermal  Aging

Aging  Temperature

100±2

100±2

100±2

100±2

Aging  Time

h

168

168

240

240

Tensile Strength after aging

≥  MPa

15.0

15.0

16.0

16.0

Variation  on Tensile Strength

  %

±20

±20

±20

±20

Elongation  at Break after aging

≥   %

150

180

150

180

Variation  on Elongation at Break

  %

±20

±20

±20

±20

Loss of  Mass after aging

≤  g/m2

20

23

15

15

Burst Size of HCL

≤   mg/g

100

100

100

100

Smoke  Density

(NBS  method, non flaming condition)

300

300

300

300

Smoke  Density

(NBS  method, flaming condition)

300

300

300

300


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Q:This is the molding process of plastic products. Plastic molding process has molding, extrusion, injection molding, blow molding, spraying, calendering, roll molding, etc., each process has its own characteristics, in this inconvenience one by one detail, please understand.
Plastic products can be processed by machining, because of the variety of plastics, like metal materials, different varieties of plastic, machining parameters are also different. Such as cutting tools, cutting the choice of the amount, we must consider the composition of plastic, additives and its physical properties.
Q:How many kinds of plastic materials are there?
The molecular structure of thermosetting plastics is the body structure, softening also occurs in heated, can plastic into a certain shape, but is heated to a certain extent or amount of curing agent, hardened stereotypes, re heating will not soften and change the shape of the. Thermosetting plastic processing, molding, the heat is no longer softening, and therefore can not be recycled, such as phenolic plastics, amino plastics, epoxy resin, etc. belong to this kind of plastic. Thermosetting plastic forming process is more complex, so continuous production has some difficulties, but its good heat resistance, not easy to deformation, and the price is relatively low.
Q:New plastic products have a strong taste, how to remove?
Method: the use of ventilation air flow away dilution plastic taste, can also use the electric fan to blow, or outdoor fresh air to the mountains "bubble". Need to remind is, some people use negative oxygen ion generator to control low concentration air pollution, but governance effect is not satisfactory, negative oxygen ion is easy to change into ozone, cause two pollution.
Q:Is chlorine dioxide corrosive to plastic products?
NoThe chemical properties of plastic products are very stable. If they are corrosive, are we still worried about white waste? So chlorine dioxide is not corrosive to plastic products
Q:What plastics are environmental protection materials now?
Water degradation plastic: adding water absorbent material in plastic, when used up, it can be dissolved in water. It is mainly used in medical and sanitary equipment (such as medical gloves), so it is easy to destroy and disinfect.
Q:The plastic basin is broken. How do you fix it?
Generally bad, throw it, but there is a glue stick can be glued to the plastic, burn it with a stick, you can
Q:Plastic pipe compared to other pipe what are the advantages?
Because of the advantages of water loss, filial piety, energy saving, material saving, ecological protection and convenient completion, plastic pipes are widely used in the fields of building water supply and drainage, town water supply and drainage, gas pipe and so on, and become a new century...
Q:Can a plastic water cup be boiled in general?
7 cup of low plastic cup is made of polycarbonate, PC, used to call a bisphenol A material in the production process of PC material, PC material will be more or less in the presence of bisphenol A monomer, the higher the temperature, the faster speed of release.
Q:Do plastic products contain toxic substances?
Plastic products for daily use are not toxic, and paper, paper no poison, but the papermaking process will produce pollution, and the use of some toxic substances. Toxic part of manufacturing plastic raw materials, plastic products but is a polymer material, not toxic, but does not rule out some unscrupulous businessmen in the plastic material or add some excess recovery assistant.
Q:What are the advantages and disadvantages of plastics?
The thermal conductivity of plastic is very small, about 1/500-1/600 of the metal. The thermal conductivity of foamed plastics is only about 0.02-0.046W/mK, about 1/1500 of metal, 1/40 of cement concrete, and 1/20 of ordinary clay brick. It is an ideal heat insulating material.

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