EPDM insulating rubber compound

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3000 Tons kg/month

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Product Description:

EPDM insulating rubber compound

I.     Type and application

Type

Product

Application

XJ-50A

110 Insulating rubber compound.EVA

Heat  resistant insulating rubber compound for cables and wires,EVA

XJ-30A

90 Insulating rubber compound

Heat  resistant insulating rubber compound for cables and wires

XJ-30B

90 Insulating rubber compound

Heat  resistant insulating rubber compound for 0.6/1KV cables and wires

XJ-30F

90Irradiation cross-linkable  insulating EPDM rubber compound

Heat  resistant EPDM insulating compound which processing in plastic extruder.

XJ-60A

125 Insulating rubber compound

Heat resistant  insulating rubber compound for maximum 1KV cables and wires

II.   Product description

EPDMinsulating rubber compound, based on EPDM rubber, is mixed with variousadditives, and is elaborated in the extra-clean conditions. It has varioustemp. grades. The compound has outstanding performances of vulcanization, processing, physical,mechanical, aging and electrical properties. The compound is complied withQ/320585JSDT058-2003 standard.

III.  Processing

Type

Processing Equipment

Compression ratio

L/D

Processing temp.

Recommended vulcanize  temp.

XJ-50A

XJ-30A

XJ-30B

XJ-60A

Common  rubber extruder

1.111.51

151201

60110

160-200℃

XJ-30F

Common rubber extruder

1.111.51

201251

110180

15-20 megarad irradiation dosage

IV.   Maximum useful shelf life

12 monthsat 20℃, 6months at 30℃.

V.     Properties

Table

Item

XJ-50A

XJ-30A

XJ-30B

XJ-30F

XJ-60A

Standard

Typical

Standard

Typical

Standard

Typical

Standard

Typical

Standard

Typical

Tensile Strength N/mm2

≥6.5

12.0

≥4.2

6.5

≥8.5

11.0

≥4.2

9.6

≥8.5

12.2

Elongation at Break %

≥200

280

≥200

280

≥200

400

≥200

350

≥200

450

Oven  aging  135℃240h

150240h

135168h

135168h

135168h

158168h

Variation on Tensile Strength %

≤±30

+5

±30

-10.8

±30

+5

±30

+5

±30

+9.5

Variation on Elongation at Break   %

≤±30

-6

±30

-10.7

±30

-11

±30

-9.5

±30

-8.0

Dielectric Strength MV/m

≥25

26

≥25

28

≥25

28

≥25

27

≥25

30

Air bomb aging test  127℃40h

Tensile Strength N/mm2

≥6.0

11.3

≥6.0

6.0

Variation  %

-6

±30

-8.3

±30

-8

±30

-4

±30

-6

Elongation at Break %

240

270

Variation  %

≤-30

-15

±30

-3.6

±30

-6

±30

-5

±30

+3

Hot Prolongation  250℃

15min20N/cm

15min20N/cm

15min20N/cm

15min20N/cm

15min20N/cm

Elongation Under Load %

≤100

60

≤175

60

≤175

60

≤175

70

≤175

50

Permanent Elongation after cooling   %

≤25

10

≤15

10

≤15

10

≤15

10

≤15

10

Volume Resistivity at 20Ωm

≥1.0×1010

2.5×1012

≥1.0×1010

1.2×1012

≥1.0×1010

1.5×1013

≥1.0×1010

8.5×1012

≥1.0×1010

2.0×1013

Elastic Modulus

At 150% ElongationN/mm2

≥4.5

5.5

≥4.5

6.5

At 50% Elongation N/mm2

≤7.5

6.1

≤7.5

5.0

Capacitance variation after water immersion  50±2℃

Between one day and seven days   %

≤15

10

≤15

8

Between seven days and fourteen days %

≤5

2

≤5

2

Hardness IRHD

≥80

80

≥80

80

Ozone Resistance and Ozone Concentration

0.025-0.030%30h

2-3.33PPM

0.025-0.030%30h

2-3.33PPM

Surface Variation

Non cracking

Non cracking

Non cracking

Pass

Non cracking

Non cracking

Non cracking

Pass

Heat Pressing Deformation  150℃0.5h

Pressing Depth   %

≤50

25


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Q:How do you understand the level of engineering plastics?
PVC (polyvinyl chloride): rarely used in food packaging. Difficult to clean, easy to keep, do not recycle, if you buy drinks, do not buy.
Q:How can a plastic foam be used?
The use of foamed plastics to life, plastic products have a very wide range of applications, especially in packaging and new materials, it has a very good use. The utility model can recycle and save energy, and can not cause white pollution to the environment. Can make all kinds of new materials: plastic foam box, gasket sheet, insulation insulation material, plastic foam board, etc., with surface buffering, heat preservation, rust prevention, moisture-proof, waterproof, breathable and so on.
Q:How do you repair the plastic surface that scratches?
Changed, want oneself grind, go buy 0 metallographic abrasive paper (polishing special), very expensive, burnish 2, 3 days can burnish
Q:Is ABS plastic poisonous?
ABS plastic is the most widely used in household appliances, such as refrigerators, washing machine, air conditioner, microwave oven, we call the white plastic. The seldom used additives, with the application of pure ABS resin + toner more, according to the current level of the plastics industry, the vast majority of toner are environmentally friendly products, on the human body and the environment will not be affected. So don't worry, ease to use it.
Q:What kind of plastic can touch food?
It is better to wear plastic without color. The color is usually processed and not clean!
Q:Can the plastic lunch box be heated by microwave oven?
Although some plastic products also say that you can use microwave heating, such as "5" PP material.But my advice is not to use plastic as much as possible. After all, in such a hot, complex electromagnetic environment, no one can guarantee that the molecules of the plasticizer are not diffused. I suggest you still use high temperature resistant glass or ceramic products!
Q:POM plastic flower mold how to solve?
Causes of plastic mould material bloom:A, plastic raw materials contain moisture, resulting in plastic hydrolysis after heating.B, molding temperature is too high, plastic decomposition!
Q:What's the way to clean the greasy food on the plastic?
Cleaning of heavy greasy plastic products: same method, but the soaking time should be more than 4 hours.
Q:Why should I granulate before injection? What's the advantage of granulation?
The material should be added with color or some additives, and it will not be fully uniform in the injection machine screw after manual mixing, which will lead to problems of color, flower or other material performance. Secondly, the broken material also particles broken and broken sheet (bottle), the particle breakage has little effect on sheet material broken because the density is too low, the injection molding machine in storage screw is easy to slip, the injection molding process is affected. Of course, if the product requirements are not high, as long as the broken material does not affect the injection, you can use the broken material.
Q:What materials do you use for plastic moulds?
Can ask. So, many developed countries have formed a wide range of plastic mold steel series. Including carbon structural steel, carburizing type plastic mould steel, pre hardened plastic mould steel, aging hardening plastic mould steel, corrosion resistant plastic die steel, free cutting plastic die steel, hardened plastic die steel, maraging steel and plastic mould steel with mirror polishing.

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