Photochromic Masterbatch
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Product Description
Photochromic masterbatch is a functional color masterbatch that undergoes reversible color changes upon exposure to ultraviolet or sunlight. Its key performance indicators are categorized into three main groups: photochromic performance, processing and physical properties, and stability and durability, which directly determine the color-changing effect, processability, and service life.
Performance Parameters:
Appearance: Cylindrical/elliptical cylindrical particles, colorless/light white (under light-protected conditions).
Particle size: 2.5–4.0 mm; no fines, no caking.
Microscopic: Colorant particle size ≤ 0.3–1 μm, no agglomeration.
Initial light transmittance: ≥88% (colorless state)
Haze: ≤3% (does not affect the transparency of the substrate)
Excitation spectrum: primarily responsive to 290–400 nm (UV-A / ultraviolet light).
Color-changing mode:
Colorless → Colored (mainstream): Colorless indoors or in the dark; reveals red, orange, yellow, blue, purple, or green under light.
Colored → Colored (dark to light / color change)
Keywords:
Photochromic Masterbatch
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