Glass Designation...
#1
Glass Designation...
Does anybody know what the E1 or E2 designations on glass means? I just had my windshield replaced last week and the replacement has a E2 designation that has a cricle around it like a symbol or something, now the rest of my car's glasses all have an E1... What does that designate? Does it has to do with quality, material type or lamination?
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