Black Low Shrinkage Silane XLPE Compound for 10KV and Below Aerial Hanging Cable

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 1000000kgs kg/month

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Description

Grade 4245 is specially used for 10KV below aerial hanging power cable, it is composed by 90% silane crosslinkable low density polyethylene (compound A) and 10% black catalyst (compound B). The product’s major characteristics are

◆Outstanding anti-ageing property

◆Low heat shrinkage rate

◆wild processing temperature, easy processing technique and convenient handling

◆Suitable for tubing style extrusion mould.

Standard

After crosslinked in the tepid water, the cable made from the product grade 4245 can comply with the standard of IEC60502-2004, GB/T14049-2008

Main Properties & Typical Values

Test Items	Unit	Test Method	Standard	Typical value
Tensile strength	MPa	GB/T1040.3	≥13.5	19.6
Elongation at break	%	GB/T1040.3	≥300	480
Heat ageing properties (Test temperature 135℃, 168hr) Maximum tensile strength change Maximum elongation at break change	% %	GB/T8815	±20 ±20	8.9 6.7
Heat elongation （200±3)℃x15minx0.2MPa) Maximum elongation change under load Maximum permanent elongation change after cooled	% %	GB/T2951	≤80 ≤5	48 4
Impact brittle temp. (-76℃) Impact brittle	Failure no.	GB/T5470	≤15/30	Pass*
Dielectric Strength	MV/m	GB/T1408.1	≥30	39*
Dielectric loss factor 50Hz, 20℃	--	GB/T1409	≤1×10^-4	3×10^-4*
Dielectric constant 50Hz, 20℃	--	GB/T1409	≤2.35	2.3*
Volume resistance (20℃)	Ω·m	GB/T1410	≥1.0×10¹⁴	5×10^14*
Pressure crack test F50	hr	GB/T2951	1000	Pass*
Artificial atmosphere ageing properties: Ageing After 42days, Maximum tensile strength change Maximum elongation at break change Ageing after 42days vs. after 21days Maximum tensile strength change Maximum elongation at break change	% % % %	GB/T14049	±30 ±30 ±15 ±15	-17 -26 -8 -12

Typical values were tested on the sample strip by squeezing film extrusion after mixing compound of A & B(at percentage of 90:10) and be boiled in hot water at 90℃ for four hours.

*Especially, these typical values were tested by press moulding sample (A and B mixed at percentage of 90:10), under the condition of 180±2 ℃, 15min, and pressure over 15Mpa, then boiled in 90℃ water for four hours.

Recommended Processing Technique

1. Extrusion Equipment

Most extruders for PVC and PE suit for 4245

The recommended equipment and processing technique is as following.

Ratio of length and diameter 18—25:1

Diameter 45—120mm

Ratio of compressing 1.5—3.5

Ratio of elongation 1:1.0—1:1.5

Filtering mesh 40/60/40

2. Extruder processing temperature and other related settings

Temperature Setting: Specific processing temperature should be based on different equipment and pressing conditions, reference settings are as following:

Feeding Section（℃）

Compression Section（℃）

Measurement Section

（℃）

Die head and Mould

（℃）

135~155

155~170

170~180

180~200

Die head setting: Tubing extrusion style is recommended.

3. Crosslink

After extrusion and cooling, the cable can be crosslinked by immersed in hot water (90℃) or exposed in low pressure vapour. The time required for crosslink is based on the thickness of the insulation and the coil size, the thicker the insulation and the greater the coil size, the longer the crosslink time required. The crosslink time can be calculated according to the equation of 4hr/mm for 90℃.

Q:Decoration when the purchase of water pipes, wires and other items included in the account: Outdoor fire line must use fire-resistant KVV cable, wear pipe protection.

Q:What brand of cable is good, what are the top ten brands of wires?: Mainly to distinguish the ground which is the ground, the color of the ground is generally yellow-green; wire two is the fire line L and zero line N, no ground wire, look at the plug on the LN mark, the corresponding good.

Q:Apple phone display cable or accessories not certified how to do: and then the audio cable and video cable [audio line (red and white), the first time the signal line (white) Video line (yellow)】 corresponding to the color connection set-top box with TV

Q:What machinery is required to make wire and cable?: Line pipe is poured before the concrete is laid on the cloth, fixed on the template or steel, pouring a need to install a class at any time to adjust its position!

Q:Apple mobile phone does not support this charge when charging this thing how to charge: Charging line and the phone does not match, for the good point of the line just fine

Q:What is the warranty period for wire and cable?: Hello according to your request can be used two sets of ordinary 16 cascade, to a control terminal control 32 hosts. Is the cheapest solution. According to my understanding of the domestic Haikang series of products cost-effective, you can understand the next.

Q:Remove the computer and wash it off. What the motherboard did not move it, that is, the dust of those dust sasses, as well as the other wire of the skin what Sassafras wash, but the computer re-connected to the Internet when the old mistakes . and the lower right corner of the red Fork appears, disappeared after the emergence. The The Said the network cable is not plugged in, but the MODERN that POWER, LINK, LINE, 3 lights are normal display. The The This is how the matter, and just also appeared keyboard and mouse just start the machine can also be used normally, but in a moment to fall, and then plug their plug re-plug the mouse lights can be displayed, but the lights on the keyboard simply do not Bright, restart the computer but good, what is going on? bother. The The I hope the master quickly to help me, and this machine is relatively old ah No problem added: on a machine, just tried to re-create a connection in the network neighborhood, useless more: No need. Galvanized flat iron to do when the grounding grid is not anti-corrosion, but if there is welding or damaged place to become anti-corrosion.

Q:Wire and cable fire resistance to meet what standards, which can provide about, thank you!: The electrical part of the decoration is laid by the electrician, as long as you tell him the power of your home and the equipment used, the electrician will tell you how much to buy the large diameter line, and the number and color needed.

Q:Why does the bird stand on the wire without anything, but if people touch it,: Please provide air-conditioned three-leg socket photo, because you said "open inside is 2.5 square line ~ is a separate line ~" is not very understanding.

Q:IPhone6 This cable or accessories have not been certified how to solve: The color is easy to distinguish. General yellow on behalf of the video line, red white plug left and right audio.

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