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LSZH Flame Retardant Sheathing Material for Power Grids (Class B1/B2) Manufacturers

Home / Products / LSZH Compound / Thermoplastic LSZH Sheathing Compound / LSZH Flame Retardant Sheathing Material for Power Grids (Class B1/B2)

LSZH Flame Retardant Sheathing Material for Power Grids (Class B1/B2)

Specially designed for the outer protection of transmission and distribution cables, with excellent flame retardant rating, low combustion smoke, and halogen-free and non corrosive gases. Resistant to high and low temperatures, outdoor ultraviolet rays, moisture and mold, and cracking. Meets environmental requirements such as GB/T 32129-2015, ROSH2.0, REACH, and is compatible with overhead cables, buried distribution cables, and switchgear wires.

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  • Specification
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No. Test Item Unit Standard Typical Value
DS-WDZH-01 DS-WDZH-02 DS-WDZH-03 DS-WDZH-B1 DS-WDZH-B2
1 Density g/cm³ --- 1.48 1.49 1.5 1.57 1.55
2 Tensile Strength MPa 10.0 12 12 12.5 11.2 11.2
3 Elongation at Break % 160 180 180 180 170 170
4 Air Heat Aging (110℃, 168h) Tensile Strength Change Rate %  ±25 +10 +12 +9 +12 +14
Elongation Change Rate % ±25 -5 -10 -12 -15 -12
5 Hot Deformation (90℃, 1h) % ≤50 10 10 8 5 5
6 Embrittlement Temperature by Impact -25 -25 -25 -25 -25 -25
7 Volume Resistivity at 20℃ Ω·cm ≥10¹² 1.5×10¹³ 1.5×10¹³ 1.2×10¹³ 2.5×10¹³ 2.5×10¹³
8 Heat Resistance to Shock (130℃, 1h) / No Cracking No Cracking No Cracking No Cracking No Cracking No Cracking
9 Smoke Density Non-flaming ≤350 305 320 340 260 280
Flaming ≤100 70 70 65 50 55
10 Oxygen Index % ≥30 ≥35 ≥32 ≥30 ≥40 ≥38
11 Halogen Acid Gas Content % ≤0.5 <0.5 <0.5 <0.5 <0.5 <0.5
12 PH Value / ≥4.3 5.2 5.1 5.3 5.5 5.5
13 Conductivity μS/mm ≤10 1.1 1.1 1.1 1.2 1.2
14 Ozone Resistance Test (25℃, 24h, 300ppm) / No Cracking No Cracking No Cracking No Cracking No Cracking
* The above performance indicators are the performance indicators of this product after cross-linking.
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About Us
Jiangsu Duoshang New Materials Technology Co., Ltd.
Jiangsu Duoshang New Materials Technology Co., Ltd.
Jiangsu Duoshang New Material Technology Co., Ltd. is located in Nantong City, Jiangsu Province, a place of picturesque scenery. We specialize in the R&D, production, and sales of polyolefin cable compounds.
Since its establishment, the company has adhered to the philosophy of "People-oriented, Technology-driven Innovation". Backed by an over 3,000-square-meter R&D center at the headquarters, R&D equipment worth more than 35 million RMB, and a 30-plus professional R&D team (including 5 doctors, 3 recipients of Jiangsu Provincial "Double Innovation" Talents, and 2 recipients of Nantong "Jianghai Talents"), we keep increasing investment in research and development and have built a sophisticated and comprehensive R&D system.
The company operates two production bases covering a total area of over 15,000 square meters, equipped with more than 10 production lines for polyolefin cable compounds. Our product portfolio consists of 8 major categories and over 50 varieties, including UV-crosslinked low-smoke halogen-free flame-retardant insulating compounds, silane self-crosslinked low-smoke halogen-free flame-retardant insulating compounds, accelerator irradiation crosslinked low-smoke halogen-free flame-retardant insulating compounds, thermoplastic low-smoke halogen-free flame-retardant insulating compounds, thermoplastic low-smoke halogen-free flame-retardant sheath compounds, flame-retardant polyethylene sheath compounds, UV-crosslinked polyethylene insulating compounds, and modified polyethylene sheath compounds. Our products are widely applied in power, communication, locomotive, photovoltaic, new energy power generation, rail transit, marine cables, and other fields.
Jiangsu Duoshang New Material Technology Co., Ltd. is committed to building a world-class national enterprise with high-quality products.
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