Silane Cross-linkable PE Compound for 10KV and Below Cable Wire

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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 4214/4214B is suitable for 10kv and below medium and low voltage cable, it is composed by 95% silane crosslinkable low density polyethylene (compound A) and 5% catalyst (compound B). The main raw materials of the product are cable-use high-purity LDPE compound with mature graft technique and low impurity content, the product’s major characteristics are

◆The product is suitable for the extrusion method of squeezing extrusion,half-tubing extrusion and tubing extrusion.

◆Cables made from the product have excellent performance in smooth cablesurface, high extrusion speed and production efficiency.

◆Extremely low impurity content and excellent electric performance.

Standard

After crosslinked in the tepid water, the cable made from the product grade 4214/4214B can comply with the standard of IEC60502-2004,GB/T12706-2002.

Main Properties & Typical Values

Test items	Test method	Unit	Standard	Typical value
Tensile strength	GB/T1040.3	MPa	≥14.0	21.5
Elongation at break	GB/T1040.3	%	≥350	480
Heat ageing properties (Test temperature 135℃, 168hr) Maximum tensile strength change Maximum elongation at break change	GB/T8815	% %	±20 ±20	7.0 5.2
Heat elongation （200±3)℃x15minx0.2MPa) Maximum elongation change under load Maximum permanent elongation change after cooled	GB/T2951	% %	≤80 ≤5	46 -4
Impact brittle temp. (-76℃)	GB/T5470	---	≤15/30	Pass*
Dielectric Strength	GB/T1408.1	MV/m	≥35	39*
Dielectric loss factor 50Hz, 20℃	GB/T1409	---	≤1×10^-3	7×10^-4*
Dielectric constant 50Hz, 20℃	GB/T1409	---	≤2.35	2.25*
Volume resistance (20℃)	GB/T1410	Ω.m	≥1.0×10¹⁴	5×10^14*

Typical values were tested on the 1mm sample strip by squeezing film extrusion after mixing compound of A & B (at percentage of95:5) and be boiled in 90℃ water for four hours.

*Especially, these typical values were tested by press moulding sample 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 4214/4214B.

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

（℃）

150~165

165~175

175~190

190~200

Die head setting: Squeezing extrusion style, half-tubing extrusion style and tubing extrusion style

Cooling water temperature: Should not be less than 25℃,gradual cooling water tank 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: Engineering materials inspection, all types of cable wires should be issued a test report?: LCD TV can not be connected to the top of the box and DVD reasons: the connection line is wrong, you need to re-connect the video cable or high-definition multimedia interface line, component color line. . the first audio and video cable to DVD and LCD TV ("video 1" or "DVD" signal source); . Moreover, the set-top box and LCD TV (HDMI1 . the LCD TV, DVD and set-top box power are open; . according to the source selection, if you want to watch the DVD program, put the signal source to switch to the "high-definition multimedia interface cable (HDMI cable) Video 1 ", if it is to see the set-top box program, put the signal source to switch to" HDMI1 ". . so that put DVD and set-top boxes are also connected to the TV.

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: Ipad charge display does not support the general reasons for this and processing methods: . for non-original charger, it will often appear this situation, which is due to the charger does not meet the specifications caused by the replacement of a qualified charger can be. . if the original charger appears the above failure, please continue to look down. . please check whether the data line is normal. The appearance of the data lines seem normal, which may have been broken. Check the method is to borrow someone else's data line to see if it can charge. . shows the plug symbol is normal is full of display. If full or show the lack of electricity, indicating that the phone tail no problem. . again, check whether the original charger can work properly. You can connect the charger to other USB port to see if the phone is working properly. . if the above two check still can not charge, please try to insert the computer's USB port to see if the computer can identify the phone, to identify if it is to see if the charge, if not identified but not charged, it is estimated that the need for maintenance. If you can not identify can not charge, it is necessary to repair. If you can recognize and charge, replace the data cable and the charger (the original estimate is also damaged). . and then look at the voltage is not too low, not only to the maintenance station to repair, and pay attention to the iPad and iPhone do not mix the power adapter, the voltage is different.

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Q: If you want to sell wire and cable, then what to do in advance to detect? The The The The The: To be considered is the Great Wall power line is not long enough, the power is not big enough to see the power on the label, if the 12V to 15A or more I think will be more stable, my Dell machine power cord surprisingly short, but also To buy the extension line again.

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.

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