|
Item |
Content |
|
Model |
EPC9251 |
|
Product Type |
125°C Crosslinkable LSZH Cable Compound |
|
Cross-Linking Method |
Electron Beam / Irradiation Cross-Linking |
|
Recommended Irradiation Dose |
10–12 MRad |
|
Standard / Grade |
GB/T 32129-2015 • WDZ-YJ-J125 |
|
Application |
125°C Halogen-Free Wire & Cable Insulation |
|
Key Features |
125°C Heat Resistant • LSZH • HFFR • Crosslinkable • Good Mechanical Properties |
|
Compliance |
RoHS • REACH • HF • ISO 9001 • IATF 16949 |
Product Overview
EPC9251 is a 125°C Crosslinkable LSZH Cable Compound developed for wire and cable insulation requiring higher continuous heat resistance. Designed for GB/T 32129-2015 WDZ-YJ-J125 applications, it combines low smoke, zero halogen and flame-retardant performance for 125°C cable constructions.
The material is crosslinked by electron-beam irradiation after extrusion. EPC9251 can also be described as a 125°C XLPO Cable Compound, 125°C HFFR Cable Compound and Irradiation Crosslinkable 125°C XLPO Compound. The recommended irradiation dose is 10–12 MRad.
Key Features
- 125°C Heat-Resistant Cable Grade
- 125°C HFFR Cable Compound
- Irradiation Crosslinkable 125°C XLPO Compound
- Electron Beam Crosslinkable LSZH Compound
- Halogen-Free Flame Retardant
- Low Smoke Zero Halogen
- WDZ-YJ-J125 Cable Compound
Technical Data Sheet
|
Test Item |
EPC9251 |
|
Density, g/cm³ |
1.46 |
|
Melt Index, g/10min |
8.8 |
|
Tensile Strength, MPa |
12.9 |
|
Elongation at Break, % |
245 |
|
Aging Test, °C×h |
158×168 |
|
Tensile Strength after Aging, MPa |
14.9 |
|
Elongation after Aging, % |
215 |
|
Oxygen Index, % |
34 |
|
Smoke Density - Flaming |
55 |
|
Smoke Density - Nonflaming |
206 |
|
Toxicity Index |
1 |
|
Hardness, SHA |
96 |
|
Low Temperature Bending @ -25°C |
Pass |
|
Thermal Shock @ 150°C |
Pass |
|
Halogen Content, PPM |
0 |
|
pH (min) |
6.4 |
|
Conductivity (max), μS/mm |
0.8 |
|
Volume Resistivity, Ω·m |
3.1×10¹² |
|
Hot Set @ 200°C × 15min, % |
30 |
|
Permanent Deformation, % |
5 |
Recommended Extrusion Process Temperature
|
Zone |
Zone 1 |
Zone 2 |
Zone 3 |
Zone 4 |
Zone 5 |
Neck |
Head |
Mould |
|
Temperature |
100°C |
110°C |
125°C |
135°C |
150°C |
155°C |
160°C |
165°C |
EPC9251 can be processed on conventional PVC/PE cable extrusion equipment. After extrusion, electron-beam irradiation is applied to obtain the required cross-linked structure.
Keep the melt temperature below 165°C and do not exceed 175°C during extrusion.
A low-compression screw and head are recommended, with a compression ratio of approximately 1:1–1:2.
For special cable designs, extrusion equipment or irradiation conditions, please contact our technical team for processing and cross-linking guidance.
OEM & Customization
- Customized Formulations
- OEM Manufacturing
- Color Matching
- Technical Support
- Small Batch
- Fast Sampling
- Free Samples
FAQ
1. What is EPC9251?
EPC9251 is a 125°C Crosslinkable LSZH Cable Compound for heat-resistant wire and cable insulation.
2. What cables is EPC9251 suitable for?
It is designed for 125°C halogen-free cable constructions and GB/T 32129-2015 WDZ-YJ-J125 applications.
3. Is EPC9251 a 125°C HFFR cable compound?
Yes. EPC9251 combines halogen-free flame retardancy with low-smoke performance for 125°C cable insulation.
4. Is EPC9251 an XLPO cable compound?
Yes. EPC9251 is a crosslinkable halogen-free polyolefin formulation and can be described as a 125°C XLPO cable compound.
5. How is EPC9251 crosslinked?
The material is extruded first and then crosslinked by electron-beam irradiation.
6. What irradiation dose is recommended?
The recommended irradiation dose is 10–12 MRad.
7. How does EPC9251 perform after heat aging?
After aging at 158°C for 168 hours, EPC9251 maintains a tensile strength of 14.9 MPa and an elongation at break of 215%.
8. What does WDZ-YJ-J125 indicate for EPC9251?
EPC9251 is designed for GB/T 32129-2015 WDZ-YJ-J125 cable material requirements.
9. Can customized colors and formulations be supplied?
Yes. Color matching and formulation customization can be provided according to cable performance requirements.
10. Can free samples be provided?
Yes. Samples can be provided for extrusion, irradiation and 125°C cable performance evaluation.
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