How much is the black plating reliability with temperature change?

"It was confirmed by a heat cycle test. Condition is “ -20 ℃ ⇔60 ℃, in the air, retention time of 10 minutes, 100 cycles”.

In black plating series (SUGO-KURO, Tough black, Crystal black), we confirmed that there is no change in the low-reflectivity and appearance."

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