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Low Smoke Zero Halogen Sheath Cable Material (LSZH Sheath Cable Material)
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Low Smoke Zero Halogen Sheath Cable Material (LSZH Sheath Cable Material)
Low Smoke Zero Halogen Sheath Cable Material (LSZH Sheath Cable Material)
Low Smoke Zero Halogen Sheath Cable Material (LSZH Sheath Cable Material)

Low Smoke Zero Halogen Sheath Cable Material (LSZH Sheath Cable Material)

1. It has the characteristics of weather resistance, high fire resistance, low smoke combustion, low toxicity and environmental protection.

2. Our company has set up a professional subject experiment team, and professors from well-known domestic schools have long-term guidance, and strive to improve the performance of sheathed cable materials, minimize the loss in the event of fire, and give customers the best experience.

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    PRODUCT FEATURES

    1. Weather resistance: Low smoke zero halogen sheath cable material can withstand the effects of daily meteorological conditions, such as sunlight, rain and humidity, so it is suitablefor indoor and outdoor applications.
    2. High fire resistance: Low smoke zero halogen sheath material usually have high fire resistance, which can protect the insulation material inside the cable in a fire and prevent the spread of fire.
    3. Low smoke combustion: Low smoke zero halogen sheath cable material produces less smoke in the event of a fire, which helps to improve the safety of personnel evacuation.
    4. Low toxicity: Low smoke zero halogen sheath cable material usually has low toxicity, even when burning, it produces less toxic gas, helping to reduce the risk of toxicity in fire.
    5. Environmental protection: The zero halogen composition makes this sheath material more environmentally friendly and reduces the damage to the atmospheric ozone layer.

    SCOPE OF USE

    Cable and optical cable, coaxial cable, network cable, elevator cable, etc.
    LSZH Sheath Cable Material
    LSZH Sheath Cable Material
    LSZH Sheath Cable Material

    Test items and standards

    Properties of halogen-free low smoke flame retardant thermoplastic polyolefin insulating materials and sheathing materials.

    Inspection item

    Unit

    Requirements

    WDZ-Y-J70

    WDZ-Y-H70

    WDZ-Y-H90

    1

    Tensile strength

    MPa

    ≥10. 0

    ≥10. 0

    ≥10. 0

    2

    Elongation at break

    %

    ≥160

    ≥160

    ≥160

    3

    Air aging chamber

     

     

     

     

    Aging temperature

    ℃

    100±2

    100±2

    110±2

    Aging time

    h

    168

    168

    240

    Maximum rate of change of tensile strength

    %

    ±25

    ±25

    ±25

    Maximum rate of change of elongation at break

    %

    ±25

    ±25

    ±25

    4

    Thermal deformation

     

     

     

     

    Test temperature

    ℃

    90±2

    90±2

    90±2

    Experimental result

    %

    ≤50

    ≤50

    ≤50

    5

    20℃ volume resistivity

    Ω · m

    ≥1. 0×1012

    ≥1. 0×1010

    ≥1. 0×1010

    6

    Volume resistivity at operating temperature

     

     

     

     

    Test temperature

    ℃

    70±1

    —

    —

    Volume resistivity

    Ω · m

    ≥2. 0×108

    —

    —

    7

    Dielectric strength

    MV/m

    ≥20

    ≥18

    ≥18

    8

    Heat shock test

     

     

     

     

    Test temperature

    ℃

    130±3

    130±3

    130±3

    Test time

    %

    1

    1

    1

    Experimental result

    —

    No cracking

    No cracking

    No cracking

    9

    Impact embrittlement temperature

     

     

     

     

    Test temperature

    ℃

    -25

    -25

    -25

    Experimental result

    Number

    ≤15/30

    ≤15/30

    ≤15/30

    10

    Ozone resistance test

     

     

     

     

    Test temperature

    ℃

    —

    25±2

    25±2

    Experiment time

    h

    —

    24

    24

    Ozone concentration

    ppm

    —

    250~300

    250~300

    Experimental result

    —

    —

    No cracking

    No cracking

    11

    Hot water immersion test

     

     

     

     

    Test temperature

    ℃

    —

    70±2

    70±2

    Experiment time

    h

    —

    168

    168

    Maximum rate of change of tensile strength

    %

    —

    ±30

    ±30

    Maximum rate of change of elongation at break

    %

    —

    ±35

    ±35

    12

    Oxygen index

    %

    ≥28

    ≥30

    ≥30

    13

    Smoke density

     

     

     

     

    flameless

    —

    ≤350

    ≤350

    ≤350

    flaming

    —

    ≤100

    ≤100

    ≤100

    14

    Combustion releases gas acidity

     

     

     

     

    HCI and HBr content

    %

    ≤0.5

    ≤0.5

    ≤0.5

    HF content

    %

    ≤0.1

    ≤0.1

    ≤0.1

    pH value

    —

    ≥4.3

    ≥4.3

    ≥4.3

    Electric conductivity

    μS/mm

    ≤10

    ≤10

    ≤10

    15

    Material smoke toxicity hazards

    According to the application requirements of the product, negotiated by the supply and demand parties.

    CERTIFICATIONS

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