Water Tree Retardant XLPE Compound for 35KV and Below Power Cable

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1000000kgs kg/month

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Product Description:

Main Properties & Typical Values

Test Items

Unit

Test Method

Standard

Typical value

Tensile strength

MPa

GB/T1040.3

≥13.5

24.3

Elongation at break

%

GB/T1040.3

≥350

514

Heat ageing properties (Test temperature 135℃, 168hr)

Maximum tensile strength change      

Maximum elongation at break change

%

%

GB/T8815

±20

±20

8

0

Heat elongation (200±3)℃x15minx0.2MPa)

Maximum elongation change under load      

Maximum permanent elongation change after cooled

%

%

GB/T2951

≤80

≤5

55

0

Impact brittle temp. (-76℃)  

Impact brittle

Failure no.

GB/T5470

≤15/30

pass

Dielectric Strength

MV/m

GB/T1408.1

≥25

35

Dielectric loss factor 50Hz, 20℃

--

GB/T 1409

≤5×10-4

2.1×10-4

Dielectric constant 50Hz, 20℃

--

GB/T1409

≤2.35

2.30

Volume resistance (20℃)

Ω·m

GB/T 1410

≥1×1014

3.1×1014

Gel content

%

JB/T10437

≥80

85

*Relative size of water tree growth

%

Q/GHPX 114

≤50

40

Note: *Technical property meaning:The percentage of water tree growth size of the water tree retardant XLPE compound

All typical values were tested by press moulding sample under the condition of 180±2 ℃,15min, and pressure over 15Mpa, then cooling to room temperature

Referring to the JB/T10437-2004 standard, the company standard specified that in every 1kg sample of grade 4205TR-35, the impurities with diameter 0.175 ~ 0.250mm must not be more than 5 pieces, the impurities with diameter more than 0.250mm must be zero.

We have strict control over theraw material of product grade 4205TR-35, which has been produced under purified environment. The typical value of product impurity content is:

Particle diameter (mm)                          No. of particle

0.175-0.25                                                 1

>0.25                                                        0


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Q:What is the difference between a kbg threading pipe and a PVC threading pipe?
The expression is not very clear, it should be said to wear a tube, if a single wear on the line 100. Outside diameter 60mm.
Q:Ipad charging display does not support this accessory
The problem lies in the charger between the machine, IPAD charging is to a charging protocol to complete, when the IPAD did not receive the agreement signal will be prompted: do not support this accessory, Apple's products have charging protocol, charging Is through the data line in the two lines and IPAD transmission charging protocol signal when ipad received the charging protocol signal after the machine internal charging circuit began to open the internal charging circuit to charge, the problem is to accept the charge signal is not so prompted not to Support, change the line to try
Q:The computer can not open the machine display frequency beyond the scope of the mouse and keyboard do not start can not press F8 how to do
Several sets of cables in the same height of the laying, the adjacent cable between the bridge should be considered maintenance, maintenance needs, generally not less than 0.6m. This is just a matter of theory, it does not matter. Anyway, the actual construction is to do so,
Q:What is the cable for rvv? Is it a power cable or a control cable? What is the cable?
The operation of the hydraulic pipe is very simple to see it will engage in their own, embedded more simple, and then get the construction site in accordance with the requirements of the drawings put away, tied with tie wire on the OK Mouth up the pipe to use cement bag to prevent good, to prevent the infusion of concrete, so buried even if the end
Q:Why this cable has not yet been certified
The manufacture of wire and cable is completely different from that of most electromechanical products
Q:When pouring concrete is how to put the tube
Oh, the pipeline is poured before the layout according to the design drawings.
Q:Cable YJV-3 * 70 + 2 * 35 general wear large SC tube? Ask you.
Yes, it is more conducive to the protection of the battery, but if no power out of power, the data can not be saved ah, and you have to put the battery on a regular charge
Q:What kind of KVM switch is this configuration below?
A 32 kvm, Taobao the lowest price, more than 4000 yuan, plus 30 control lines 30 * 20 = 600 yuan, if there is no control side of the mouse and mouse, need to add a thousand dollars. A total of about 6 thousand dollars. Two KVM cascade, .000 yuan * 2 = 2000 yuan, 620 yuan control line, the mouse was a thousand dollars, a total of nearly four thousand dollars. But the stability of multiple cascade is better than a single good.
Q:What does the letter of the computer cable model mean?
Cable regardless of the definition of the number of elements in the definition of a few such as: YJV-3 * 50 + 1 * 16 calculated the number of lines is always a different, different wire rules Model input: bv-2 * 2.5 / bv-3 * 4 (different material), bv-2 * 2.5 + 3 * 4 (the same material)
Q:How are various wire and cable models named?
Cable type a lot, here to give an example: ZRC-YJV22-0.6 / 1KV3 * 25 +2 * 16 This model specification means: C-class flame retardant (ZRC) XLPE insulated (YJ) PVC jacket 22) steel tape armor (0.6 / 1KV) 0.6 / 1 kV (3 * 25) 3 25 square (+ 1 * 16) plus two 16 square copper conductor flame retardant copper core steel tape armored cross-linked poly Ethylene insulated PVC sheathed low voltage electric power.

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