Super black

（重定向自Black coating）

Super black is a surface treatment developed at the National Physical Laboratory in the United Kingdom. It reflects much less light than the darkest conventional matte black paints available previously.

Conventional black paint reflects about 2.5% of the incident light. Super black absorbs approximately 99.6% of light at normal incidence, and only 0.4% is reflected. At other angles of incidence, super black is even more effective. At an angle of 45°, super black reflects 1/25 as much as black paint.

单词	Black coating
释义	Black coating 英语百科 Super black （重定向自Black coating） Super black is a surface treatment developed at the National Physical Laboratory in the United Kingdom. It reflects much less light than the darkest conventional matte black paints available previously. Conventional black paint reflects about 2.5% of the incident light. Super black absorbs approximately 99.6% of light at normal incidence, and only 0.4% is reflected. At other angles of incidence, super black is even more effective. At an angle of 45°, super black reflects 1/25 as much as black paint.
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