My associate has shown me inexpexpensive ports sunglasses from china hey are polarized and uv protected - not rx.
I am trying to determine what type of plastic was likely used - it i snot PolyCarb
My associate has shown me inexpexpensive ports sunglasses from china hey are polarized and uv protected - not rx.
I am trying to determine what type of plastic was likely used - it i snot PolyCarb
Do you mind if I ask how you know they are not poly? For safety purposes the best options would be either poly or trivex but I would assume if they are inexpensive they are probably not trivex. Do they have an ASTM safety stamp anywhere on the frame? If not I would venture to guess that they are plastic.
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