The only way that you can know for sure though, is to compare for yourself. matte white "Ultra High Definition" projector / projection screen material, that is made and sold right here in the U.S.A!
Spectra Projection Vantage 100 UST ALR CLR Projector Screen for Ultra Short Throw Projectors
Spectra Projection Vantage 100
Akia Screens 100 inch Edge Free Fixed Frame Projector Screen 100 Diagonal 16:9 8K 4K Ultra HD 3D Ready CINEWHITE UHD-B Black Projection Screen for Indoor Movie Video Home Theater AK-NB100H1
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