Img1053Nemoto has been supplying SG-1000, LumiNova® phosphorescent pigment, featuring long afterglow, in response to the market trend of higher grade watches.  Nemoto has now developed and is supplying a new grade featuring higher performance.  The new grade has been used by Japanese watch manufacturers.

This new long afterglow LumiNova® phosphorescent pigment SG-2200 has an afterglow performance twice that of SG-1000 after 300 minutes and meets the requirements of high-specification watches.

*Japanese Patent No.5780573

FeatureAfterglow luminance characteristicAfterglow intensity on painted surfaceAfterglow intensity of partially printed dial plate

Features of Long Afterglow Noctilucent LumiNova® Phosphorescent Pigment SG-2200

  1. Visible duration 10 hours (High luminescence, long afterglow)
    Afterglow duration more than twice that of conventional Nemoto products
  2. Painted surface of fine texture
    Fine and homogenous pigment particles (average grain size 27μm)
  3. High luminescence and long-afterglow white noctilucence

Comparison of Afterglow Luminescence Performance

Sample: Dial plate with paint film 120μm thick, radiation condition: D65 500lx 10 minutes, Measuring apparatus: TOPCON BM5A

SG-2200グラフ

Comparison of Afterglow Intensity on Printed Surface

Sample: Dial plate painted on whole surface, Thickness of paint film 120 micron, radiation condition: D65 500lx 10 minutes, Afterglow measurement: Afterglow image 300 minutes after placing in a dark location, Imaging equipment: ST-9E manufactured by SBIG

塗面残光強度

Afterglow intensity after 300 minutes

Comparison of Afterglow Intensity on Partially Printed Dial Plate

Sample: Partially printed dial plate, Thickness of printed film 120μm, Radiation condition: D65 500lx 10 minutes, Afterglow measurement: Afterglow image 300 minutes after placing in a dark location, Imaging equipment: ST-9E manufactured by SBIG

部分印刷残光強度

Afterglow intensity after 300 minutes