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Tengo una 🤸♂️👍
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I have a question are OPP and PCCB plastic good for storing a coin for a long time or are they like PVC and turn them into green slime?
Capsules are the safest way to store for a long time.OPP is permeable to moisture, but PVC damage does not occur.I use OPP for coins that can be toned, and use capsules or slabs for coins that should not be toned.
Tengo una 🤸♂️👍
معي منا
I have a question are OPP and PCCB plastic good for storing a coin for a long time or are they like PVC and turn them into green slime?
Capsules are the safest way to store for a long time.
OPP is permeable to moisture, but PVC damage does not occur.
I use OPP for coins that can be toned, and use capsules or slabs for coins that should not be toned.