CommentMaterial manufactured/sourced in either US or UK
Optical Absorbance at255nm: ≤1.00AU [US] / ≥10% transmittance [UK]
Optical Absorbance at257nm: ≤0.50AU [US]
Optical Absorbance at260nm: ≥50% transmittance [UK]
Optical Absorbance at265nm: ≥80% transmittance [UK]
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