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03-12-2020 08:56 AM
# ADS
Circuit advertisement
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Probably just poor moulding of the rubber when it was made. It doesn't look like damage... don't worry about it and leave 'as is.'
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Like Steve said, it looks like moulding marks.
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I agree, it looks like it came out of the mould like that. It's a manufacuring quality issue not deterioration of the rubber.
If you don't open the pack then any treatment of the rubber is obviously not possible. If you do open the package then keeping the rubber dry and out of direct sunlight is the best way to store it. If you apply anything to it at all then you should restrict this to a light dusting of talcuum powder. Basic foot powder is good in that regard because it contains an anti-fungal agent which is an obvious benefit.
This is most likely Silicone Rubber (contains silicone and silicon) which retains it's properties far longer than simple older types of rubber but like all rubber it will deteriorate over time and you can not prevent this.
Having said that, I have a British S6 in my loft that is not wrapped up in any way and which has been there for for nearly 22 years (it was manufactured in the '80s) but is still perfectly fine.
I hope this answers your question.
Regards
Mark
"War is an ugly thing, but not the ugliest of things. A man who has nothing for which he is willing to fight, nothing he cares more about than his own personal safety, is a miserable creature with no chance of being free unless made and kept so by the exertions of better men than himself."
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I am in total agreement with the comments ,Best way forward would be to keep the mask sealed in my humble opinion RX
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Thank you all for the information you provided! I will store it as best I can and factory sealed.
I was confused because I once had the same model gas mask (factory sealed), but the rubber melted inside the plastic bag and it was a mess. Probably some manufacturing error or a bad batch, but still...
So I was wondering if this was the start of the same process or not.
Also, is it true that some M2 masks (later, more modern version of this mask) had some issues of melting in good storage?
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Thank you! Thank you all!
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