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Application of irradiated cross linked low smoke halogen free flame retardant cable

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In industrialized society, energy and information are the two pillars of society, and the transmission of both electricity and information cannot be separated from wires and cables, especially high-rise commercial buildings, subways, tunnels and nuclear power plants. In order to meet the fire prevention and environmental protection regulations of the above-mentioned places, low-smoke halogen-free flame-retardant and fire-resistant wires and cables should be laid. As we all know, although ordinary polyvinyl chloride insulated wires and cables have excellent mechanical, electrical and processing properties, their biggest drawback is that they are flammable, have high calorific value, and have a fast flame propagation speed. When burning, they will release a large amount of toxic and harmful corrosive gases and thick smoke, causing “secondary disasters”. These gases and thick smoke not only endanger life safety, but also seriously corrode equipment and buildings, and at the same time cause great difficulties for firefighting and life-saving and property evacuation. All this makes people further realize that in addition to flame retardancy, cables must also have the characteristics of high temperature resistance, anti-aging, smoke-free, non-toxic and low corrosion. Therefore, the development of low-smoke, halogen-free and non-toxic fire-fighting products has become a comprehensive development direction of the current cable industry.

AWG wire Ul cable
UL1570 wire cable & low smoke halogen free flame retardant cable

Irradiation cross-linked low-smoke halogen-free flame-retardant wires and cables or low-smoke halogen-free cables(LSOH cable) use imported low-smoke halogen-free materials and high-energy electron beams generated by electron accelerators to irradiate and cross-link cables, so that the insulation layer of the cable changes from a linear molecular structure to a three-dimensional mesh structure, forming a three-dimensional lattice smaller than a water molecule, forming a dense layer on the surface and inside of polyethylene, thereby effectively preventing the combination of hydroxide and water molecules. This cross-linking method not only improves the heat resistance, wear resistance and flame retardancy of wires and cables, but also plays a water-blocking role. This cross-linking method is free of high temperature and water, which can not only cross-link polyethylene, but also improve the flame retardancy and electrical properties of cables. The cable has the characteristics of low smoke, halogen-free, flame retardant, fire resistance and high temperature resistance. The specific performance is as follows: High temperature resistance: The long-term allowable operating temperature of the conductor is 135℃ (70℃ or 90℃ for ordinary cables); Good flame retardant performance: The bundled combustion test is Class A. (Ordinary cables are Class C); no smoke and toxic gas, light transmittance ≥ 90%, PH value ≥ 6.0 (ordinary low-smoke halogen-free cable light transmittance ≥ 60%, PH value ≥ 4.3); excellent mechanical properties. Wear resistance times up to 160,000 times, service life of more than 50 years.

Scope of application: irradiation cross-linked low-smoke halogen-free flame retardant and wires and cables are suitable for 10kv and below power transmission and distribution systems, control lines and various important places requiring flame retardancy, fire resistance, smoke-free, non-toxic and high temperature resistance. They can be widely used in nuclear power plants, power plants, steel mills, oil wells, machine rooms, schools, entertainment venues, crowded places and high-rise buildings.

With the progress of society, the development of science and the improvement of people’s environmental awareness, the demand for irradiation cross-linked low-smoke halogen-free flame retardant and fire-resistant wires and cables will become greater and greater. At the same time, the research on new materials to replace copper conductors will gradually deepen. It is believed that the development of irradiation cross-linked low-smoke halogen-free flame retardant and fire-resistant wires and cables will have a very broad prospect.

Full name: Irradiated cross-linked polyethylene insulation polyolefin sheathed low-smoke halogen-free flame-retardant control cable

Abbreviation: Irradiated cross-linked low-smoke halogen-free flame-retardant control cable

Contents

1. Irradiated cable use characteristics

2. Irradiated cable structure

3. Irradiated cable model, name

4. Irradiated cable production range

5. Irradiated cross-linked low-smoke halogen-free flame-retardant polyethylene insulation and low-smoke halogen-free flame-retardant polyethylene sheathed control cable

1. Irradiated cable use characteristics:

· Reference standard: IEC502-83 standard

· Rated voltage: 0.6/1KV

· Short-circuit temperature of cable conductor: up to 280℃, duration up to 5min

· Ambient temperature: The lowest ambient temperature during cable laying is -40℃

· Long-term working temperature: The maximum long-term operating temperature allowed by the cable conductor is 135℃

· Minimum bending radius: The bending radius during cable laying is ≥10 times the outer diameter of the cable

· The light transmittance of the cable when burning reaches 97%, and there is no HCL corrosive gas Release (gas pH value is 6.74)

2. Irradiated cable structure:

1. Copper conductive core

2. Irradiated cross-linked low-smoke halogen-free flame-retardant polyethylene insulation

3. Low-smoke halogen-free flame-retardant polyethylene sheath

WDZ-KYJ (F) E

(WL-KYJ (F) E,

WDZ-KYJ (F) Y)

1. Copper conductive core 2. Irradiated cross-linked low-smoke halogen-free flame-retardant polyethylene insulation 3. Low-smoke halogen-free flame-retardant polyethylene inner sheath 4. Steel belt armor 5. Low-smoke halogen-free flame-retardant polyethylene sheath Halogen flame retardant polyethylene sheath WDZ-KYJ (F) E22 (WL-KYJ (F) E22, WDZ-KYJ (F) Y22)

1. Copper conductive wire core 2. Irradiation cross-linked low-smoke halogen-free flame retardant polyethylene insulation

3. Copper wire braided shield

4. Low-smoke halogen-free flame retardant polyethylene sheath

WDZ-KYJ (F) EP

(WL-KYJ (F) EP,

WDZ-KYJ (F) YP)1. Copper conductive wire core 2. Irradiation cross-linked Low smoke zero halogen flame retardant polyethylene insulation 3. Steel belt armor 4. Low smoke zero halogen flame retardant polyethylene sheath

WDZ-KYJ (F) EP2

(WL-KYJ (F) EP2,

WDZ-KYJ (F) YP2)

3. Model and name of irradiated cable:

Model: WDZ-KYJ (F) E (WL-KYJ (F) E, WDZ-KYJ (F) Y)

Name: Copper core irradiated cross-linked low smoke zero halogen flame retardant polyethylene insulation low smoke zero halogen Flame retardant polyethylene sheathed control cable

Model: WDZ-KYJ(F)E22 (WL-KYJ(F)E22, WDZ-KYJ(F)Y22)

Name: Copper core irradiated cross-linked low-smoke halogen-free flame retardant polyethylene insulation low-smoke halogen-free flame retardant polyethylene sheathed steel belt armored control cable

Model: WDZ-KYJ(F)E32 (WL-KYJ(F)E32, WDZ-KYJ(F)Y32)

Name: Copper core irradiated cross-linked low-smoke halogen-free flame retardant polyethylene insulation low-smoke halogen-free flame retardant polyethylene sheathed steel belt armored control cable Lian low-smoke halogen-free flame-retardant polyethylene insulation and low-smoke halogen-free flame-retardant polyethylene sheathed fine steel wire armored control cable

Model: WDZ-KYJ (F) EP (WL-KYJ (F) EP, WDZ-KJ (F) YP)

Name: Copper core irradiated cross-linked low-smoke halogen-free flame-retardant polyethylene insulation low-smoke halogen-free flame-retardant polyethylene sheathed copper wire braided shielded control cable

Model: WDZ-KYJ (F) EP2 (WL-KYJ (F) EP2, WD Z-KYJ(F)YP2)

Name: Copper core irradiation cross-linked low smoke zero halogen flame retardant polyethylene insulation low smoke zero halogen flame retardant polyethylene sheathed copper tape shielded control cable

Model: WDZN-KYJ(F)E (WL-NH-KYJ(F)E, WDZN-KYJ(F)Y)

Name: Copper core irradiation cross-linked low smoke zero halogen flame retardant polyethylene insulation low smoke zero halogen flame retardant polyethylene sheathed fire resistant control cable

  • Production range of XLPE irradiation cross-linked cable:
Nominal cross sectionNumber of cores
WDZ-KYJ(F)E(WL-KYJ(F)E、WDZ-KYJ(F)Y)WDZ-KYJ(F)E(WL-NH-KYJ(F)E、WDZN-KYJ(F)Y)WDZ-KYJ(F)E22(WL-KYJ(F)E22、WDZ-KYJ(F)Y22)WDZ-KYJ(F)E32(WL-KYJ(F)E32、WDZ-KYJ(F)Y32)WDZ-KYJ(F)EP(WL-KYJ(F)EP、WDZ-KYJ(F)YP)WDZ-KYJ(F)EP2(WL-KYJ(F)EP2、WDZ-KYJ(F)YP2)
14-614-617-619-614-614-61
1.54-614-617-617-614-614-61
2.54-614-614-617-614-614-61
44-144-144-144-144-144-14
64-144-144-144-144-144-14
Cable core number series：4、5、6、7、8、10、12、14、16、19、24、27、30、33、37、44、48、52、61

5. Irradiation cross-linked low-smoke halogen-free flame-retardant polyethylene insulation and low-smoke halogen-free flame-retardant polyethylene sheath control cable

WDZ-KYJ(F)E(WL-KYJ(F)E、WDZ-KYJ(F)Y)

Number of coresNominal cross sectionInsulation thicknessSheath thickness
mm		Cable calculated outer diameter mmCable calculated weight
kg/km		Conductor DC resistance maximum value at 20℃ kg/kmTest voltage
mm2mmSolid conductorStranded conductorSolid conductorStranded conductorStranded conductorSolid conductorΩ/kmkV/5min
41
1.5
2.5
4
6		0.7
0.7
0.7
0.7
0.7		1.5
1.5
1.5
1.5
1.5		1.5
1.5
1.5
1.5
1.5		10.1
10.8
11.8
13.0
14.2		10.6
11.3
12.5
13.7
15.2		122
153
202 
276 
364		110
149
198
266
354		18.1
12.1
7.41
4.61
3.08		3.5
3.5
3.5
3.5
3.5
51
1.5
2.5
4
6		0.7
0.7
0.7
0.7
0.7		1.5
1.5
1.5
1.5
1.5		1.5
1.5
1.5
1.5
1.5		10.8
11.6
12.7
14.1
15.4		11.4
12.2
13.5
14.9
16.5		142
180 
240
332
441		136
174
234
318
426		18.1
12.1
7.41
4.61
3.08		3.5
3.5
3.5
3.5
3.5
61
1.5
2.5
4
6		0.7
0.7
0.7
0.7
0.7		1.5
1.5
1.5
1.5
1.5		1.5
1.5
1.5
1.5
1.5		11.6
12.5
13.7
15.2
16.7		12.2
13.1
14.6
16.1
14.9		168
207
279
388
518		164
200
271
371
499		18.1
12.1
7.41
4.61
3.08		3.5
3.5
3.5
3.5
3.5
71
1.5
2.5
4
6		0.7
0.7
0.7
0.7
0.7		1.5
1.5
1.5
1.5
1.5		1.5
1.5
1.5
1.5
1.5		11.6
12.5
13.7
15.5
16.7		12.2
13.1
14.6
16.1
17.9		176
227
310
425
584		169
218
299
413
561		18.1
12.1
7.41
4.61
3.08		3.5
3.5
3.5
3.5
3.5
81
1.5
2.5
4
6		0.7
0.7
0.7
0.7
0.7		1.5
1.5
1.5
1.5
2.0		1.5
1.5
1.5
1.5
2.0		12.8
13.8
15.2
16.9
19.6		13.5
14.5
16.2
17.9
21.0		200
258
353
495
706		188
248
340
471
680		18.1
12.1
7.41
4.61
3.08		3.5
3.5
3.5
3.5
3.5
101
1.5
2.5
4
6		0.7
0.7
0.7
0.7
0.7		1.5
1.5
1.5
2.0
2.0		1.5
1.5
2.0
1.5
2.0		14.2
15.4
17.0
20.0
22.0		15.0
16.2
19.2
21.2
23.6		239
312
428
646
863		230
298
404
618
832		18.1
12.1
7.41
4.61
3.08		3.5
3.5
3.5
3.5
3.5
121
1.5
2.5
4
6		0.7
0.7
0.7
0.7
0.7		1.5
1.5
1.5
2.0
2.0		1.5
1.5
2.0
2.0
2.0		14.9
15.9
17.5
20.6
21.9		15.4
16.7
19.8
21.9
23.4		270
256
494
746
968		258
339
460
710
945		18.1
12.1
7.41
4.61
3.08		3.5
3.5
3.5
3.5
3.5

Irradiation cross-linked low smoke halogen-free flame retardant polyethylene insulation and low smoke halogen-free flame retardant polyethylene sheath control cable

WDZ-KYJ(F)E(WL-KYJ(F)E、WDZ-KYJ(F)Y)

Number of coresNominal cross sectionInsulation thicknessSheath thickness
mm		Cable calculated outer diameter mmCable calculated weight
kg/km		Conductor DC resistance maximum value at 20℃ kg/kmTest voltage
mm2mmSolid conductorStranded conductorSolid conductorStranded conductorStranded conductorSolid conductorΩ/kmkV/5min
141
1.5
2.5
4
6		0.7
0.7
0.7
0.7
0.7		1.5
1.5
2.0
2.0
2.0		1.5
1.5
2.0
2.0
2.0		15.3
16.6
19.4
21.6
23.0		16.1
17.5
20.7
22.9
24.6		301
402
602
850
1106		303
382
579
806
1079		18.1
12.1
7.41
4.61
3.08		3.5
3.5
3.5
3.5
3.5
161
1.5
2.5
4
6		0.7
0.7
0.7		1.5
1.5
2.0		1.5
2.0
2.0		16.0
17.4
20.3		173.0
19.4
21.7		338
450
672		337
413
646		18.1
12.1
7.41		3.5
3.5
3.5
3.5
3.5
191
1.5
2.5		0.7
0.7
0.7		1.5
2.0
2.0		1.5
2.0
2.0		16.8
19.3
21.3		17.8
20.3
22.8		386
557
774		684
529
742		18.1
12.1
7.41		3.5
3.5
3.5
241
1.5
2.5		0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		20.4
22.2
24.6		21.6
23.4
26.4		518
688
961		517
652
919		18.1
12.1
7.41		3.5
3.5
3.5
271
1.5
2.5		0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		20.8
22.6
25.1		22.0
23.4
26.9		564
753
1059		562
712
1009		18.1
12.1
7.41		3.5
3.5
3.5
301
1.5
2.5		0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		21.5
23.4
26.0		22.7
24.7
27.9		614
822
1160		609
775
1103		18.1
12.1
7.41		3.5
3.5
3.5
331
1.5
2.5		0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		22.2
24.2
26.9		23.6
25.6
28.9		663
891
1261		659
839
1198		18.1
12.1
7.41		3.5
3.5
3.5
371
1.5
2.5		0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		23.0
25.1
27.9		24.4
26.5
30.0		727
982
1395		712
922
1322		18.1
12.1
7.41		3.5
3.5
3.5
441
1.5
2.5		0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		24.0
28.0
33.5		26.0
30.5
36.0		830
1144
1796		792
1105
1706		18.1
12.1
7.41		3.5
3.5
3.5
481
1.5
2.5		0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		24.5
28.5
34.0		26.5
31.0
37.0		885
1222
1923		845
1183
1827		18.1
12.1
7.41		3.5
3.5
3.5
521
1.5
2.5		0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		25.0
29.0
35.0		27.0
31.5
38.0		935
1292
2036		892
1251
1937		18.1
12.1
7.41		3.5
3.5
3.5
611
1.5
2.5		0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		26.5
31.5
37.5		28.5
34.0
40.5		1074
1530
2384		1027
1482
2384		18.1
12.1
7.41		3.5
3.5
3.5

The model of fire-resistant irradiated cable is WDZN-KYJ(F)E. Its corresponding technical parameters can be referred to WDZ-KYJ(F)E

Irradiated cross-linked low-smoke halogen-free flame-retardant polyolefin insulated and sheathed control cable

Number of coresNominal cross sectionInsulation thicknessSheath thickness
mm		Cable calculated outer diameter mmCable calculated weight
kg/km		Conductor DC resistance maximum value at 20℃ kg/kmTest voltage
mm2mmSolid conductorStranded conductorSolid conductorStranded conductorStranded conductorSolid conductorΩ/kmkV/5min
441
1.5
2.5		0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		24.0
28.0
33.5		26.0
30.5
36.0		830
1144
1796		792
1105
1706		<=18.1
<=12.1
<=7.41		3.5
3.5
3.5
481
1.5
2.5		0.7
0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		24.5
28.5
34.0		26.5
31.0
37.0		885
1222
1923		845
1183
1827		<=18.1
<=12.1
<=7.41		3.5
3.5
3.5
521
1.5
2.5		0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		25.0
29.0
35.0		27.0
31.5
38.0		935
1292
2036		892
1251
1937		<=18.1
<=12.1
<=7.41		3.5
3.5
3.5
611
1.5
2.5		0.7
0.7
0.7		2.0
2.0
2.0		2.0
2.0
2.0		26.5
31.5
37.5		28.5
34.0
40.5		1074
1530
2384		1027
1482
2268		<=18.1
<=12.1
<=7.41		3.5
3.5
3.5

Additional note: The corresponding technical parameters of the mining cables and industrial cables of the above models all comply with relevant industry standards, and TST CABLES can support the customization of other specifications of products according to demand. If you have any needs, you can contact us by email at any time and get free samples.

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