BC-404 Premium Plastic Scintillator General Description The premium plastic scintillators BC-400, BC-404, BC-408, BC-412 and BC-416 include the most economical (BC-416) as well as those with the highest light output. General Technical Data Base Polyvinyltoluene Density 1.032 g/cc Refractive Index 1.58 Coefficient of Linear Expansion 7.8 x 10-5, below 67°C Atomic Ratio, H/C ~1.1 Light Output Temperature Dependence At +60°C = 95% of that at +20°C; independent of temperature from -60°C to +20°C Vapor Pressure May be used in a vacuum Solubility Soluble in aromatic solvents, chlorine, acetone, etc. Insoluble in water, dilute acids, lower alcohols, silicone fluid, grease and alkalis. Properties . BC-400 BC-404 BC-408 BC-412 BC-416 Light Output, % Anthracene 65 68 64 60 38 Rise Time, ns 0.9 0.7 0.9 1.0 _ Decay Time, ns 2.4 1.8 2.1 3.3 4.0 Pulse Width, FWHM, ns 2.7 2.2 ~2.5 4.2 5.3 Light Attenuation Length, cm* 160 140 210 210 210 Wavelength of Max. Emission, nm 423 408 425 434 434 No. of H Atoms per cm3, (x1022) 5.23 5.21 5.23 5.23 5.25 No. of C Atoms per cm3, (x1022) 4.74 4.74 4.74 4.74 4.73 Ratio H:C Atoms 1.103 1.100 1.104 1.104 1.110 No. of Electrons per cm3, (x1023) 3.37 3.37 3.37 3.37 3.37 Principal uses/applications general purpose fast counting TOF counters, large area large area large area, economy *The typical 1/e attenuation length of a 1 x 20 x 200 cm cast sheet with edges polished as measured with a bialkali photomultiplier tube coupled to one end Emission Spectra BC-404 Premium Plastic Scintillators Response to Atomic Particles Range of Atomic Particles in Premium Plastic Scintillators [ Cast plastic scintillators ] Organic Products | Inorganic Scintillation Products | Crystal Products Bicron RMP | Optics and Oxides | Crismatec | Product Search/Faq Company Profile | News | Contact Us | NE Technology | Home