Check out Dayglo, don't know if this is same class of materials

http://www.dayglo.com/products.asp


Russell McMahon wrote:
> This supplier offers a range of glow in the dark materials including paints,
> powders, phosphors and some coated or formed products.
> They claim that the performance of their products is far better than what is
> usually available at retail level.
> Glow durations up to 24 hours claimed, depending on formulation.
> Solvent based paints not exported internationally due to Hazmat regs.
> Not cheap but I imagine that 'a little goes a long way'.
>
> As ever, YMMV, E&OE, DNBSFoM.
>
>    https://glowinc.com/
>
>
>                    Russell
>   
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