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  1. #1
    Could start a fight in a convent. Mikael's Avatar
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    Question Drysuit seal deterioration by type

    I thought it would be useful to have a thread discussing what causes premature deterioration of each of the three main drysuit seal types. I have recently switched from latex to neo and during a call to John at Otter he told me that Sudocrem (which I have started using to protect my skin from getting the hangman effect) would not be good to neo.

    Please help me fill out the following, explaining where possible what the key substances are and how they cause the respective seal types to deteriorate:

    Latex
    UV
    Heat
    Engine fumes / fuel in general
    Oil based products
    Insect repellent
    Sun cream
    Apollo bio seals
    ?
    ?

    Neoprene
    Sudocrem
    ?
    ?

    Silicone
    ?
    ?
    Last edited by Mikael; 13-04-2016 at 03:29 PM. Reason: typo
    Why is it that with everything in life I always find a more difficult way of doing it (and not intentionally)

  2. #2
    Closed Account: User Requested nickb's Avatar
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    It's 'silicone' and I'm not aware of any degradation. You'll almost certainly tear one before they break down. I've got 10+ year old masks with silicone skirts and they're still fine, aside from a clear Mares one discolouring a bit.

    Use DermaShield as a barrier cream.

  3. #3
    Could start a fight in a convent. Mikael's Avatar
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    Quote Originally Posted by nickb View Post
    It's 'silicone' and I'm not aware of any degradation. You'll almost certainly tear one before they break down. I've got 10+ year old masks with silicone skirts and they're still fine, aside from a clear Mares one discolouring a bit.

    Use DermaShield as a barrier cream.
    Typo corrected.

    Good to hear silicone is fairly resistant to all but nails and jewellery.
    Are you saying Derma shield is something you have used succesfully and if so with which seal type?

    Cheers,
    Why is it that with everything in life I always find a more difficult way of doing it (and not intentionally)

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    Closed Account: User Requested nickb's Avatar
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    Quote Originally Posted by Mikael View Post
    Are you saying Derma shield is something you have used succesfully and if so with which seal type?
    Yes. I've used it to prevent hangman's neck with a latex seal. No need to use it with neoprene or silicone in my experience.

    I hate neoprene neck seals. They may be warm and comfy but they're a ballache to tuck in correctly.

  5. #5
    Established TDF Member Tel's Avatar
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    Don't forget Deb barrier cream for wetwork.
    It's got silicone already in it and if you do quarries etc. even protects against Veils desease.

    Latex seals will often react to plastic especially if damp, which is why it's worth making sure
    they are not in direct contact or at least well talced if using crates/plastic boxes.

    Edited, Latex not Silicone.
    Last edited by Tel; 14-04-2016 at 10:16 AM.

  6. #6
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    Quote Originally Posted by Tel View Post
    Silicone seals will often react to plastic especially if damp, which is why it's worth making sure
    they are not in direct contact or at least well talced if using crates/plastic boxes.
    Any particular type? The mounting rings are usually plastic...

  7. #7
    Established TDF Member Tel's Avatar
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    Quote Originally Posted by PhilPage View Post
    Any particular type? The mounting rings are usually plastic...
    Sorry meant Latex

    Polypropylene is the worse offender, the clear really useful box ones or the common contico ones.

    Most suits have some moisture even if they seem dry when you put them away, so a bit of condensation
    gets on the inside + direct contact is enough. Just need to make sure that they are well talced and I fold
    so that the wrist seals are inside the suit not on the outside.

  8. #8
    Established TDF Member taz's Avatar
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    .

    I have tried most seals and I always choose the latex ones.

    Easy to use, cheap and more important they are easy to
    replace if you need to in the back of beyond using equipment
    carried in a kit-bag.

    Of all of the seals and of all of the conditions the worst stuff for
    damaging the seal in my opinion is oil on water (in or near harbors)
    and from outboard 2 stroke engines.

    Rob

    .
    .. ... -. .----. - / -- --- .-. ... . / -.-. --- -.. . / --. --- --- -..

  9. #9
    Could start a fight in a convent. Mikael's Avatar
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    Quote Originally Posted by taz View Post
    .

    I have tried most seals and I always choose the latex ones.

    Easy to use, cheap and more important they are easy to
    replace if you need to in the back of beyond using equipment
    carried in a kit-bag.

    .
    You carry glue in your kit bag or are you talking about a neck seal exchange type system?
    Why is it that with everything in life I always find a more difficult way of doing it (and not intentionally)

  10. #10
    Established TDF Member taz's Avatar
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    Quote Originally Posted by Mikael View Post
    You carry glue in your kit bag or are you talking about a neck seal exchange type system?
    I always have wrist and neck seals, 2 part glue and other sticky stuffs,
    cleaning pads, meths, sharp knife's, blunt knife, dry suit patch material,
    scissors and other odds and sods that have proven to be useful. All kept
    in a plastic box about the same size as an 1kg ice cream container. Always
    inside the front pocket of my kit bag.

    I have changed neck seals, wrist seals and boots on more boats in the back
    of beyond that I have lost count.

    Regards

    taz

    .
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