Those in long term storage should be kept at 45 to 50 f 7 to 10 c.
Temperature vinyl records warp.
Depending on your oven preheating should take between 10 15 minutes.
Other factors such as humidity sunlight exposure and improper storage can drastically impact the resilience of a record.
Don t push the glass too far into the oven.
From good old wikipedia store in use lps at a temperature of 65 to 70 f 18 to 21 c.
Warped vinyl can lead to a wobbly sounding rendition of your favorite song.
If a record is improperly stored and or kept in a high temperature environment the vinyl may warp and the record may become unplayable.
Preheat the oven to its lowest temperature setting.
The linear expansion coefficient of rigid pvc is small and has good flame retardancy the limiting oxygen index loi being up to 45 or more.
Place the record between the two panes of glass making sure the record is clean first.
Once the oven has reached the right temperature carefully slide the record and glass combination onto the oven rack.
Let the record cool down to room temperature.
Improper storage exposure to heat and cats can lead to warped vinyl.
Put your vinyl glass sandwich in the oven for 30 minutes.
Turn the heat off.
Fortunately warped records can often be fixed so you can be back to rockin and rollin in no time.
Preheat the oven to about 175 f 79 c and place the record inside.
This will make it easier to retrieve later.
Pressure against the record and at room temperature below 75 degrees f.
Though relative humidity rh is considered less an issue for vinyl than other recorded media 13 it is recommended that lps be stored at 45 to 50 rh.
Determine whether or not that fixed the warping.
Direct sunlight increases in temperature and or uneven storage pressure are the principal components that can lead to warping vinyl records.