But that s not quite enough to say the cause is related to pvc sleeves.
Does pvc seeve damage vinyl.
This record have still its shrink wrap on it which looks quite.
Pvc stands for polyvinyl chloride.
I remember 4ad sending out the promo red vinyl 12 of dead can dance s nierika below in such a sleeve.
I also said hcl gas was produced by autocatalytic breakdown.
An outer pvc sleeve that is deteriorating can damage the vinyl it does not matter if the vinyl is in a jacket and inner sleeve.
Pvc damage appears as greenish milky or grey streaks or haze.
Some plastics can damage your items.
I have replaced all my pvc sleeves with softer poly covers after damage to many records.
The outer sleeves have wavy deformation.
And then only if there s enough records in each set to be valid.
I ve recieved 3 records housed in those thick pvc outer sleeve as pvc used for housing books at public librairies.
The problem is exacerbated if records in pvc sleeves are stored tightly together.
Not all plastics are alike.
All records were stored.
In severe cases it looks like tiny green blobs on the surface of the coin.
As you said the nagaoka sleeves does not damage your records and is perfectly safe.
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.
Most in pvc sleeves.
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.
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.
2 records sounds fine but the one pictured below has a very loud shhhhhhhh hiss sound and the vinyl looks unsual.
They shouldn t damage your records i have hundreds of them and still not a single one with damage.
Nagaoka 102 inners are made of polyethylene not pvc at least those purchased in this century afaik.
The destructive material is polyvinyl chloride pvc or more commonly known as vinyl.