Silane Cross-Linkable PE Compound for 1KV and Below Cable Wire with Monosil Method
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- 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 | 2×1014* |
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: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 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:IPhone mobile phone data cable can not charge the power, the above shows the cable or accessories not certified can not work with the iPhone,
- Wiring room refers to the distribution of the weak floor of the room, the weak point refers to the building weak vertical pipe
- Q:If you want to sell wire and cable, then what to do in advance to detect? The The The The The
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- Q: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...........................
- About 140 PVC threading tube, which depends on how many lines you row. PPR cold / hot water pipe 42 meters, PPR cold / hot water pipe with 4 m / root and 6 m / root of the points, short will make the joints more recommended to use long, generally longer expensive. Decoration in meters to count, to facilitate the settlement of labor, 42 meters is the amount of my home My house 115 square meters, indoor area of 98 square meters. I hope useful to you. According to the 2011 price, the general brand of wires and pipes, their own materials to buy, without artificial about 4000-5000 yuan. I decorated last year, the package to the decorating company hydropower workers with me to calculate the 9800 yuan it, of course, each region has a price difference.
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- Yes, it is more conducive to the protection of the battery, but if no power out of power, the data can not be saved ah, and you have to put the battery on a regular charge
- 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
- The second floor of the formula is correct, my space also have this formula, with armor and no armor in the current no difference, there are differences in the installation, usually buried to armor, overhead or bridge without armor, you give the model is not Armor, YJV-4 * 240 without armor, YJV-22-4 * 240 armor,
- Q:Apple 6 Charging Why always show this cable has not yet been certified
- Cable and cable distinction In fact, "wire" and "cable" and there is no strict boundaries
- Q:Cable a fire line power and why the other did not pick up the line with a pen test also have electricity? Answer detailed point
- Megohmmeter, such as measuring insulation normal, that is, induction power, the other line after grounding, the pen measured no electricity.
- Q:This cable or accessory has not been certified and may not be able to work with this iphone reliably
- The operation of the hydraulic pipe is very simple to see it will engage in their own, embedded more simple, and then get the construction site in accordance with the requirements of the drawings put away, tied with tie wire on the OK Mouth up the pipe to use cement bag to prevent good, to prevent the infusion of concrete, so buried even if the end
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Silane Cross-Linkable PE Compound for 1KV and Below Cable Wire with Monosil Method
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 1000000kgs kg/month
OKorder Service Pledge
OKorder Financial Service
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