Photochromic Pigment PC-400 (UV-Activated Color Change)

CAS 73398-61-5

On Request

MOQ

5 kg

Lead Time

14–21 days

Packaging

1 kg, 5 kg containers

Specifications

Particle Size (D50)2–5 μm
UV Activation Wavelength300–380 nm
Color (UV-off / UV-on)colorless / blue (PC-400B), red (PC-400R), purple (PC-400P)
Thermal Fade Time (25°C)3–10 s

FAQ

PC-400 is compatible with waterborne acrylic, solvent-borne alkyd/epoxy, and UV-curable acrylate binders. Avoid strong acid or base (pH <4 or >9) which degrade the spirooxazine chromophore.

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