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Irradiation Cross-linked Halogen-Free Waterproof Photovoltaic Cable Jacket Material

This product is made of polymer resin as the base material, with halogen-free flame retardant, cross-linking agent, antioxidant and other additives added, and is made by mixing, plasticizing and granulating. It does not contain harmful substances such as heavy metals, and has excellent mechanical and electrical properties, wide processing temperature margin and other characteristics.


Product application: It is suitable for the production of photovoltaic cable jacket materials that meet the waterproof performance indicators in the requirements of EN50618:2014, IEC62930, 2PFG2750 and other standards.


Testing itemsVALUETypical ValueUnitMethod
Density--1.35g/cm3GB/T   1033
Tensile Strength≥1013.5MPaGB/T   1040.2
Elongation at Break≥250320GB/T   1040.2
Hot Extension 250℃ 0.2Mpa 15min
Elongation Under Load≤10040GB/T2951.21
Permanent Change Rate After Cooling≤150
Heat Deterioration 150±2℃ 168H
Change Rate of Tensile Strength≤±3014%GB/T2951.12
Change Rate of Elongation at Break≤±30-12%GB/T2951.12
Impact Embrittlement Temperature≤15/300/30PcsGB/T5470
Volume Resistivity 20ºC≥1.0×10^122.5×10^12Ω·mGB/T1410
Volume Resistivity 90ºC≥1.0×10^91.2×10^9Ω·mGB/T1410
Dielectric Strength 20ºC≥2030MV/mGB/T1408.1
Water Resistance AD8
Tensile Strength After 100 Days of Immersion in Water≥78.5MPaGB/T1040.2
Tensile Strength Change Rate After 28/100 Days of Immersion in Water≤±15-10%GB/T2951.12
Elongation at Break After 100 Days of Immersion in Water≥200258%GB/T1040.2
Change Rate of Elongation At Break After 28/100 Days of Immersion In Water≤±20-16%GB/T2951.12
Resistant To Damp Heat 90℃
Relative Humidity 85% 1000H
Change Rate of Tensile Strength≤-30-19%EN60068-2-78
Change Rate of Elongation at Break≤-30-20%EN60068-2-78
HCl and HBr Gas Release≤20mg/gGB/T17650
Combustion Gas PH Value≥4.35.9/GB/T17650
Combustion Gas Conductivity≤104μs/mmGB/T17650
Oxygen Index≥2830%GB/T2406
Weather/UV Resistance Test  720H(360/loops)
Tensile Strength Retention Rate≥7085%EN50618:2014
Elongation at Break Retention Rate≥7088%EN50618:2014
Ozone Resistant 25±2℃ 24H | Ozone Concentration(250-300)×10-4%
\No CrackingNo Cracking/IEC60811-403

Notes:

1. After the extruder temperature reaches the set value before starting the machine, it needs to be kept constant for about 0.5 hours.

2. When starting the machine to discharge, the melt temperature should be controlled at about 160-170°C.

3. The recommended filter selection is a 60 mesh + 80 mesh + 60 mesh combination filter.


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