Grey Silane XLPE Compound for 10KV and Below Aerial Hanging Cable with Monosil Method

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

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Supply Capability:: 1000000kgs kg/month

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Description

Grade 4255G is silane XLPE compound with monosil method (one step), it is specially used for 10kv below aerial hanging power cable, it is composed by selected PE resin, gray anti-ageing masterbatch and other additives. The product’s major characteristics are

◆Outstanding anti-ageing property

◆Outstanding electrical property

◆Simple processing technique

Standard

After crosslinked in the tepid water, the cable made from the product grade 4255G 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	18.5
Elongation at break	%	GB/T1040.3	≥300	460
Heat ageing properties (Test temperature 135℃, 168hr) Maximum tensile strength change Maximum elongation at break change	% %	GB/T8815	±20 ±20	7.2 7.5
Heat elongation （200±3)℃x15minx0.2MPa) Maximum elongation change under load Maximum permanent elongation change after cooled	% %	GB/T2951	≤80 ≤5	60 2
Impact brittle temp. (-76℃) Impact brittle	Failure no.	GB/T5470	≤15/30	Pass*
Dielectric Strength	MV/m	GB/T1408.1	≥30	40*
Dielectric loss factor 50Hz, 20℃	--	GB/T1409	≤1×10^-4	2×10^-4*
Dielectric constant 50Hz, 20℃	--	GB/T1409	≤2.35	2.2*
Volume resistance (20℃)	Ω·m	GB/T1410	≥1.0×10¹⁴	6×10^14*
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	-18 -20 -10 -9

Typical values were tested onthe sample strip by squeezing film extrusion 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 4255G

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

（℃）

140~155

155~175

175~195

195~205

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:What are the T and T, s of the wire and cable test type?: You should be said: 2-way cross-linked polyethylene insulated PVC sheathed cable 4 core 185 square millimeters, SC is steel pipe, diameter . FC is laying method dark cover the floor or floor. Personal opinion, hope to help you!

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: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: Galvanized itself on the anti-corrosion, no need to do anti-corrosion treatment.

Q:IPadmini. The latest version 7.1.1 up in the morning to see the non-stop display this cable is not certified does not support this feature. The The Charger original. Not on the computer charge. The Ask God to answer more: Data line problem, it may be the data line to the bad, caused by poor contact. For the sake of the root

Q:The data line is my online to buy the extension of the line, has been able to use, and today suddenly can not charge the electricity, and pop up the tips, which is why? More: This situation generally have to extend the line triangle can link the ground, the two feet when you use the foot to feel the foot, and step on the bench as long as the non-conductive feel. No seriousness

Q:What are the varieties of wire and cable (detailed point): 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:What is the difference between the WDZ wire and cable, the ZR wire cable and the NH wire and cable, and what kind of wire and cable should be used?: Make a mark, such as red set into the bottom for a color in a layer, or you can draw a few plans, water and electricity is a strong power is a weak and one, the label can do a good job

Q:Wire and cable model ZD what does it mean: The middle of the line is not a problem where there is a problem in the place where the joints check the place of the joints can not do the lines are out to check the time and effort

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 is the warranty period for wire and cable?: Direct selection of reton's 32-port digital KVM, model is: KS-2032C. Fast transmission, wiring is simple. Want to know the price to ask their website on it.

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