Silane Cross-Linkable PE Compound for 1KV and Below Cable Wire 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 4251/4251B is silane XLPE compound with monosil method (one step) and is specially used for 1KV and below cable & wire. It has outstanding performance in processing temperature, easy processing characteristics and excellent product properties.

Standard

After crosslinked in the tepid water, the cable made from our product grade 4251/4251B 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	496
Heat ageing properties (Test temperature 135℃, 168hr) Maximum tensile strength change Maximum elongation at break change	GB/T8815	% %	±20 ±20	9.9 8.8
Heat elongation （200±3)℃x15minx0.2MPa) Maximum elongation change under load Maximum permanent elongation change after cooled	GB/T2951	% %	≤100 ≤4	54 4
Impact brittle temp. (-76℃)	GB/T5470	---	≤15/30	Pass*
Dielectric Strength	GB/T1408.1	MV/m	≥30	39*
Volume resistance (20℃)	GB/T1410	Ω.m	≥1.0×10¹⁴	2×10^14*

Typical values were tested on the 1mm 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 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 4251/4251B

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

165~180

180~200

200~210

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 andthe 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℃.

Please contact our customer service for more technical service.

Note:

1. The independent small package in product grade 4215B is black masterbatch, it must be mixed evenly with silane XLPE compound of monosil method firstly before use.

2. If the cables made from our product grade 4251/4251B fail in heat elongation test, it would be related to the processing techniques. Please contact us any time if you find this problem.

Q: Four lines only reached a phase line, at the other end all charged, I use the digital pen! In addition, I often check the cable when the cable current through the dot digital pen voltage symbols sometimes have time to disappear, in other bare wires when the test keys are normal! What is this going on! Ask the heroes to give the younger brother a complete point of the answer! More: There are [the top of the machine can be broken off the ball can be hit by Jiu turtle snow box video output cable and DVD video output line] into a junction box, and then through the sub-box toggle switch to select the 'set-top box' or 'DVD'; This junction box outputs a wire connection device or is connected to a TV.

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: Data line problem, it may be the data line to the bad, caused by poor contact. For the sake of the root

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Q: What is the difference between "wire" and "cable"?: Simple point, the plotter is generally used to out of the line map, the general is the Academy of Engineering, the Bureau of the use of a CAD map, and some can also be some effect of the general effect of the map, generally suitable for color requirements are not very high, but right Print accuracy requires a high place. Inkjet machine can be divided into indoor and outdoor ink, outdoor irritating smell, for outdoor advertising like the effect of the map, the indoor no irritating smell, the general subway, as well as other indoor advertising are used this out of

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.

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: Wire and cable fire resistance to meet what standards, which can provide about, thank you!: Do not know why not mislead. The The The The The Fire resistance is IECGBBS6387. GB is the general principle of flame retardant and fire resistant wire and cable, quoted the above criteria...............

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