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XLPE insulation and polystyrene

Alan B

Hi 

I Know that PVC cables leach their plasticiser when in contact with polystyrene.

I am wondering if EV ultra with carbon tek outer would have the same problem, can't find anything on line.

  • 0

    Well firstly the XLPE refers only to the insulation on the inner cores, the EV ultra cable outer jacket is just black PVC, either with or without the carbon lubricant.. However not all flexible PVC formulations have a problem with polystyrene and it is likely that this does not but to  be sure  you could ask Doncaster cables tech folk as they actually  make it. Let us know if you get an answer either way.
    Doncaster Cables
    Millfields Industrial Estate,
    Arksey Lane,
    Bentley,
    Doncaster,
    DN5 0SJ,
    United Kingdom
    01302 821700
    sales@doncastercables.com

    Datasheet here, such as it is

    Mike.

  • 0 in reply to mapj1

    Hi Mike

    I had a question in with them, wasn't expecting a quick response, but just had a response back from them, pleasant surprise as I can't get anyone to provide me price and availability on some of their cables.

     

    "As with all PVC products, it is best practise to ensure that they do not come into contact with any polystyrene products.

     

    Hope this helps to clarify."

  • 0

    Ah. Over taping or flex conduit through the insulation then. Thanks for that - always useful to know - as combined data and power cable is useful stuff not just for EV.

    I presume you do not have a TLC near you or they are out of stock ?  Or you needed a non-stock size.

    Mike

  • 0 in reply to mapj1

    I was looking for a non stocked size, they just came back with a price after 2 days

  • 0
    mapj1 said:
    Over taping or flex conduit through the insulation then

    Normal insulating tape is PVC, and flex conduit like Kopex is PVC too. So might be delaying the inevitable.

    I thought this problem was solved with new formulations too, but apparently not. Thanks

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