I think any sort of reinforced glass is going to be alternating sheets of glass and plastic, not just pure glass. So throwing a hydrocarbon on it is going to fuck with the chemistry of the plastic over the glass. Not the glass itself.
Hmm, maybe. Do cop cars really have plastic on the outside of their windshields?
I think any safety glass that shatters into tiny pieces has plastic on the outer and inner surfaces.
… I’m not saying you’re definitely wrong, but you seem to be saying that putting paint and/or oil on any windshield anywhere will result in scratches.
That doesn’t sound right
Usually the film of plastic/rubber material is in between two layers of glass in my experience. But I've only ever seen this in regular car windshields, so dunno about police vehicles.
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