PFSO-B Shortwave Blue UV organic blue powder, the activating wave is 254nm, the emitting wave is 480nm, the particle size is 2-7um. We have a lot of pigments to choose from. The invisible pigments are white to off white, while the visible has color in regular light and under black light. The visible use 5-15% loading. The invisible depends on your application. The organic pigments tend to be brighter and can be milled finer. While the inorganics are duller and can not be milled.
Short wave pigments enjoy 254 nm typically. Many "short wave" compounds to react with higher wavelengths including 365 nm.