First, they are called "records", not "vinyls." Do you call your compact discs "polycarbonates?" Second, the records was working with were not vinyl. He said

First, they are called "records", not "vinyls." Do you call your compact discs "polycarbonates?" Second, the records was working with were not vinyl. He said 45's, and most 45's were pressed in Styrene, not PVC. It is a lot more susceptible to both warping and scratching than vinyl.