Why LLDPE JD-7062BK Is the Ideal Black Sheath Material for Communication & Fiber Optic Cables

Introduction

LLDPE JD-7062BK is a black linear low-density polyethylene (LLDPE) compound engineered for communication and fiber optic cable sheathing. It combines excellent mechanical strength, UV stability, and moisture resistance to protect cables in demanding outdoor and underground environments. Enhanced with carbon black, this sheath material ensures long-term durability and safeguards signal integrity in telecommunication and fiber optic networks.

Product Information

• Name: LLDPE JD-7062BK Black Communication & Fiber Optic Cable Sheath

• Base Polymer: Linear Low-Density Polyethylene (LLDPE)

• Color: Black (carbon black filled)

• Form: Pellets

• Processing Method: Extrusion for cable sheathing

Key Features

• Superior dielectric strength for reliable insulation

• UV-resistant formulation for outdoor durability

• Low water absorption, ideal for wet or underground conditions

• High flexibility and tensile strength to withstand mechanical stress

• Lightweight and cost-effective cable protection solution

Applications

LLDPE JD-7062BK forms a robust protective sheath around cable cores, shielding them from UV degradation, moisture penetration, and mechanical damage. Its carbon black reinforcement enhances UV stability, while the flexible LLDPE matrix maintains sheath integrity under bending and environmental stress.

Advantages

• Long-term UV and weather resistance for outdoor use

• Excellent water resistance, preventing cable corrosion

• Flexible and easy extrusion processing

• Environmentally stable with low maintenance cost

• Suitable for high-speed fiber optic networks requiring stable insulation

Limitations

• Operating temperature range is limited compared to XLPE

• Requires flame-retardant modification for certain regulated environments

• Not ideal for extremely high-voltage power cable insulation

FAQs

Q: Why choose LLDPE JD-7062BK over standard PE for cable sheaths?
A: It offers better flexibility, toughness, and UV/weather resistance, essential for outdoor and fiber optic installations.

Q: Can it be used in direct-burial fiber optic cables?
A: Yes, its low water absorption and robust mechanical properties make it suitable for underground applications.

Q: Does it support high-speed fiber optic data transmission?
A: Absolutely. Its stable dielectric performance ensures consistent signal protection and transmission quality.

Conclusion

LLDPE JD-7062BK is a reliable, high-performance cable sheath material ideal for communication and fiber optic cables. Its combination of UV resistance, moisture protection, and flexibility ensures long-term durability and performance in outdoor and underground environments.