Only if the set of records that show the problem is the same as those stored in pvc sleeves and vica versa can that be said.
Does pvc seeve damage vinyl.
Most in pvc sleeves.
The problem is exacerbated if records in pvc sleeves are stored tightly together.
It is an additive used in plastics to make the material more pliable and less brittle in coin collecting pvc is most frequently encountered in the clear plastic flips in which coins are stored.
But that s not quite enough to say the cause is related to pvc sleeves.
The outer sleeves have wavy deformation.
Not all plastics are alike.
Nagaoka 102 inners are made of polyethylene not pvc at least those purchased in this century afaik.
They shouldn t damage your records i have hundreds of them and still not a single one with damage.
Pvc stands for polyvinyl chloride.
All records were stored.
I ve recieved 3 records housed in those thick pvc outer sleeve as pvc used for housing books at public librairies.
Some plastics can damage your items.
The destructive material is polyvinyl chloride pvc or more commonly known as vinyl.
And then only if there s enough records in each set to be valid.
Most show the problem.
As you said the nagaoka sleeves does not damage your records and is perfectly safe.
This record have still its shrink wrap on it which looks quite.
2 records sounds fine but the one pictured below has a very loud shhhhhhhh hiss sound and the vinyl looks unsual.
Any copies stored in it will have suffered this type of damage.
I said transfer of plasticizer was likely to occur by direct contact.
I have replaced all my pvc sleeves with softer poly covers after damage to many records.
I also said hcl gas was produced by autocatalytic breakdown.
Pvc damage appears as greenish milky or grey streaks or haze.
In fact some sheet protectors binders photo enclosures and photo corners will eventually damage your memorabilia more than if you had not used plastic protection or enhancement at all.