Willemite
Special Colour Neon
Willemite: Special Colour Neon
| General Characteristics of Willemite: Special Colour Neon |
| Name | Zinc Silicate:Mn |
| Chemical Formula | Zn2SiO4:Mn |
| Application | Special Colour Fluorescent Lamps, Neon Lamps |
| Processing | Stirrer or Ball mill |
| Suspension Type | Butyl acetate |
| Packaging | 45 kg in 50 ltr steel drum |
| Optical Characteristics of Willemite: Special Colour Neon |
| —————— 254 nm excitation —————— |
| » Quantum efficiency | 77% |
| » UV absorption | 91% |
| » Wavelength at peak | 531 nm |
| » Bandwidth (50%) | 41 mm |
| » Excitation peak | 203 nm |
| —————— C.I.E. Chromaticity Coordinates —————— |
| » Powder | x = 0.256 Y = 0.698 |
| » Lamp TLD 36W | x = 0.244 Y = 0.620 |
| Physical Characteristics of Willemite: Special Colour Neon |
| Body Colour | White |
| Specific Gravity | 3.90 |
| Particle Size Distribution | By Laser Diffraction (Sympatec - HELOS) |
| » fraction £ 1.8 µm | £ 25.0% |
| Crystal Structure | Willemite |
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