Is Series 2400 an engineering grade film?

For engineering grade reflective film, what is the candela power it must have?

Series 2400 is not an Engineering grade film but DPF 2400, Illuminite & 2400XLP are engineering grade. Candela power varies depending on the color of the film.

Series 2400 is not an Engineering grade film but DPF 2400, Illuminite & 2400XLP are engineering grade. Candela power varies depending on the color of the film.
Example:
Observance Angle of 0.2 degree, entrance angle of -4
White: 100
Yellow: 70
Red:21
Brown: 5.4