Double-layer Co-extrusion Insulation Irradiation Crosslinked Halogen-free Low-smoke Flame-retardant Long-life Wire

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70 years of high-performance, long-life, radiation-crosslinked, halogen-free, low-smoke flame-retardant wire, using internationally advanced electron accelerator physical radiation cross-linking technology to ensure the mechanical and electrical properties of the wire, with high and low temperature, flame retardancy, Wear resistance, oil resistance and high physical and mechanical properties and electrical properties.

Scope of application
This product is suitable for distribution networks or industrial installations with rated voltages of 450/750V and below. It can be used in densely populated areas such as high-rise buildings, subways, tunnels, shopping malls, theaters, stations, airports, and important power distribution lines and building wiring. place.

Executive standard
Product implementation standard: JG/T441-2014 "Double-layer co-extruded insulation radiation crosslinked halogen-free low-smoke flame-retardant wire with rated voltage 450/75V and below". The service life of the cable is calculated according to the test method specified in GB/T 11026.1 and the Arrhenius curve is used.

Use characteristics
1. Rated voltage Uo/U: 300/500V, 450/750V;
2. The long-term allowable working temperature of the cable conductor is divided into: 90℃, 105℃, 125℃ according to the insulation material;
3. Cable laying temperature ≥0℃;
4. The minimum bending radius of the cable: the bending radius of the cable outside diameter less than 25mm and below should not be less than 4D (D cable diameter); the bending radius of the cable outside diameter 25mm and above should not be less than 6D (D cable diameter);
5. The 70-year long life of the cable is coded as G.

Test voltage
Cable water test voltage: rated voltage 450/750V: 2500V/5min insulation no breakdown; rated voltage 300/500V: 2000V/5min insulation no breakdown;

Product model name

Model	Name	Model	Name
WDZ-GYJS(F) WDZA-GYJS(F) WDZB-GYJS(F) WDZC-GYJS(F) WDZD-GYJS(F) ZR-ⅠA-GYJS(F) ZR-ⅠB-GYJS(F) ZR-ⅠC-GYJS(F) ZR-ⅡA-GYJS(F) ZR-ⅡB-GYJS(F) ZR-ⅡC-GYJS(F)	Double-layer co-extruded insulated radiation cross-linked halogen-free low-smoke flame-retardant wire Double-layer co-extruded insulation radiation cross-linked halogen-free low-smoke flame-retardant Class A wire Double-layer co-extrusion insulated radiation cross-linked halogen-free low-smoke flame-retardant Class B wire Double-layer co-extrusion insulated radiation cross-linked halogen-free low-smoke flame-retardant Class C wire Double-layer co-extrusion insulated radiation cross-linked halogen-free low-smoke flame-retardant Class D wire Double-layer co-extrusion insulated radiation cross-linked halogen-free low-smoke flame-retardant wire, flame-retardant grade IA Double-layer co-extrusion insulated radiation cross-linked halogen-free low-smoke flame-retardant wire, flame-retardant level IB Double-layer co-extrusion insulated radiation cross-linked halogen-free low-smoke flame-retardant wire, flame-retardant grade ⅠC Double-layer co-extrusion insulated radiation cross-linked halogen-free low-smoke flame-retardant wire, flame-retardant level ⅡA Double-layer co-extrusion insulated radiation cross-linked halogen-free low-smoke flame-retardant wire, flame-retardant level ⅡB Double-layer co-extruded insulation radiation cross-linked halogen-free low-smoke flame-retardant wire, flame-retardant grade IIC	WDZN-GYJS(F) WDZAN-GYJS(F) WDZBN-GYJS(F) WDZCN-GYJS(F) WDZDN-GYJS(F) NH-Ⅰ-GYJS(F) NH-ⅠA-GYJS(F) NH-Ⅱ-GYJS(F) NH-ⅡA-GYJS(F)	Double-layer co-extruded insulated radiation cross-linked halogen-free low-smoke flame-retardant wire Double-layer co-extruded insulated radiation cross-linked halogen-free low-smoke flame-retardant Class A fire-resistant wire Double-layer co-extruded insulated radiation cross-linked halogen-free low-smoke flame-retardant Class B fire-resistant wire Double-layer co-extruded insulated radiation cross-linked halogen-free low-smoke flame-retardant Class C fire-resistant wire Double-layer co-extruded insulated radiation cross-linked halogen-free low-smoke flame-retardant Class D fire-resistant wire Double-layer co-extrusion insulated radiation cross-linked halogen-free low-smoke flame-retardant wire, fire resistance class I Double-layer co-extruded insulated radiation cross-linked halogen-free low-smoke flame-retardant wire, fire resistance class IA Double-layer co-extrusion insulated radiation cross-linked halogen-free low-smoke flame-retardant wire, fire resistance class II Double-layer co-extrusion insulated radiation cross-linked halogen-free low-smoke flame-retardant wire, fire resistance class ⅡA