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

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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:Apple 6splus charge may not support this accessories how to do more: When the lighting circuit and the power circuit shared ladder, BV line is not allowed to put in the ladder, so it is recommended to use the wiring of the lamp ZC-YJV-3 * 2

Q:What brand of cable is good, what are the top ten brands of wires?: If you are talking about the three-core wire, black - ground brown - line of blue - zero line. If it is 3 plugs, your wire is only 2 lines. Then the yellow received L, black received N. The above is the ground wire.

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: Power lines tied together, usb line bundled together, high and low pressure apart. Tie the tie on the line

Q:Wire and cable: RVFV. : RVFSV. : UTP-CAT5E. : SYV-F-75-5 : RVFSP. : RVSP. : RVFVSP. What is the type of wire? Solve! More: Pro, please buy in the hardware store turpentine wipe, a bottle of 3.5

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:How to determine how much wire and cable should be used, the current load and how the corresponding wire, such as 4BV, under what circumstances, YJV240 what circumstances, the load is much more: According to the control cable and the power of the different layers of laying, if the power cable to be multi-layer need to have 300mm spacing (or load capacity is large enough), if it is control cable, casually laying, if the laying of power cable laying below Layer, above the laying of control cable, but not too much affect the power cable cooling. If the high-voltage cable and low-voltage cable in principle do not allow common laying.

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?: BV1 * 2.5 is a 2.5 square line. 2 * 2.5 is two 2.5 square lines. 3 * 2.5 is three 2.5 square lines. 4 * 2.5 is the 4 2.5 square line lighting wire power cord with 2 * 2.5. Light wire with 1.5 is enough. Socket (pipe) with three 2.5 square lines, you can also use 3 * 2.5 a. 4 * 2.5 for three-phase motors.

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.

Q:Rt, the charger did not change, has been no problem before, today just plugged into the charger, the results appear as if the problem, before the out of this problem, and now only ipad power off after the power can not be charged, and ipad start , Then immediately prompted the title, can not charge more: At the same time, security monitoring line itself is a weak line

Q:What machinery is required to make wire and cable?: Pouring concrete when you can line? Do you clear the problem?

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