After issues with the high reflectivity of some black paper stock in the near-infrared range, I wanted to double-check that the plastic we'll be using for our spectrometers is truly dark in the near-infrared range.
Above is Acetal Homopolymer Delrin 500 P BK602 in near-infrared, and here are some other options:
ABS - Polylac PA-765 in near-infrared:
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cool. how about glue-- will the glue dots work on all the types?
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Will check the glue dots. I asked for HDPE and all other options, this is all they sent in black... we can circle back but I think he probably grabbed everything they had in black? do you like PP though?
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