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Cable Sheathing Material "LSZH"

Dutch of the Elm over 4 years ago

Hi,

I hope someone can assist.

I am interested in studying the materials used to sheath "LSZH" / "LSF" cables, particularly ones such as twin and earth. Can anyone confirm what kinds of compounds are typically used to sheath these cables? Specifically LSF/LSZH ones, so not PVC. I had assumed XLPE but a number of manufacturers seem to state "LSZH" sheath etc alongside XLPE insulation, so I am lead to understand the sheath is not XLPE... or am I overthinking it? I have tried to asking a manufacturer but I have not had a clear answer.

Looking forward to some answers.

Thanks,

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0 Dutch of the Elm over 4 years ago

Thanks OMS. Agreed, we ought to rely on standards such as BS 7211, or better Euroclass classifications to be clear about what we specify in terms of smoke and halogen emissions.

Interesting point about petroleum jelly filled PP telecoms cabling - I wonder how the authors of BS 6701 thought that might be managed!
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0 Dutch of the Elm over 4 years ago

Thanks OMS. Agreed, we ought to rely on standards such as BS 7211, or better Euroclass classifications to be clear about what we specify in terms of smoke and halogen emissions.

Interesting point about petroleum jelly filled PP telecoms cabling - I wonder how the authors of BS 6701 thought that might be managed!
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