PET Crystal 1: When you look from top, it is dark; when you look from bottom side, it looks light grey. There are micro lines on its surface.

PET Crystal 2: It looks light grey from both sides. There are micro lines on its surface too. We don't sell PET Crystal 2.

When there’s no image projecting on the screen, PET Crystal 1 looks darker, and PET Crystal 2 looks light grey.

I use flashlight to test their ambient light rejecting ability. The PET Crystal 1 can block the light more effectively.

If you are looking for any projector screen, welcome to contact me.
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