Power Cable Insulation Shield

Power cable insulation shielding material is a semi-conductive polymer composite material applied to the outside of the cable insulation layer. It is mainly used to construct a functional structural layer with uniform electric field, reduce electrical stress and inhibit partial discharge.
High purity, low migration
Use high-cleanliness raw materials to control metal ion content and particulate pollution, avoid conductive carbon black or other components from migrating to the insulation material, and ensure the long-term performance of the insulation layer.
Comprehensive electric field control capability: synergize with conductor shielding to establish a symmetrical and balanced electric field environment, effectively reducing the level of partial discharge.
Enhance system insulation stability: By tightly wrapping the insulation layer to form an integrated structure, external electrical interference and interface discharge are effectively prevented.
Power cable insulation shielding materials are an important barrier to achieve electric field control and improve insulation reliability. As cable systems develop towards higher voltage, larger capacity and longer life, higher requirements are placed on their performance. In the future, with the development of new material technologies, insulation shielding materials will continue to be optimized in the directions of nanocomposite, high adhesion, intelligent sensing, etc., providing core guarantees for the safe, green and efficient operation of new power systems.

About Us

HJ Polymer China Co., Ltd.

HJ Polymer China Co., Ltd. founded in 2002, specializes in the R&D and manufacturing of high-performance semi-conductive shielding materials for cables. With an annual production capacity of 62,000 tons, the company holds over 40% of the domestic market and exports to Europe, the U.S., the Middle East, and Asia.

Delivery Capacity

HJ Polymer operates 13 dedicated production lines within a 30,000+ m2 facility, utilizing automated process control systems to ensure efficient and stable delivery.

Collaboration

Our R&D team includes PhDs and senior engineers actively involved in national and industry standards. We’ve also established a graduate workstation with Jiangsu University of Science and Technology, promoting integrated industry-academia collaboration.

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Latest News

Feb 11,2026
Gather at Industry Gala, HJ Polymer Shines at SHANGHAI/WIRE SHOW 2025
From August 27 to 29, 2025, the 12th China International Wire Industry Exhibition was grandly held in Shanghai. HJ Polymer China Co.,Ltd made a splendid appearance with its core products and technolog...
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Feb 03,2026
Semiconductive Shielding Materials Support 5g Communication Network Construction
With the global deployment of 5G communication networks, high-performance semiconductive shielding materials play a critical role in ensuring signal transmission stability and security. The company an...
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Jan 15,2026
Communication Infrastructure Upgrades: Semiconductor Shielding Materials Emerge as Critical
With the proliferation of 5G technology and the advancement of the Internet of Things, communication infrastructure upgrades are imperative. High-performance semiconductor shielding materials have bec...
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Dec 17,2025
Semiconductor Shielding Materials Market Shows Promising Prospects; Company Expands Production Line to Meet Demand
Facing escalating market demand, a company specializing in high-performance semiconductor shielding materials announced plans to expand its production line to ensure timely fulfillment of global custo...
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Oct 14,2025
Breakthrough in Semiconductive Shielding Materials Technology Boosts Global Energy Efficiency
As the global pursuit of sustainable energy and efficient communications intensifies, demand for high-performance semiconductive shielding materials continues to grow. The newly developed material, wi...
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Sep 11,2025
HJ Polymer Shines at Tube & Wire Southeast Asia 2025, Adding New Momentum to Cooperation in Southeast Asian Market
From September 17 to 19, 2025, Tube & Wire Southeast Asia 2025 was held in Bangkok, Thailand. HJ Polymer China Co., Ltd participated with wire and cable-specific polymer material products. At the ...
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