Chromaticity CIE ‘76 

Chromaticity CIE ‘31

Photopic Transmittance

(NR)a @0.1 fl

Source

u’

v’

x

y

Y(%)

2100 K

0.116

0.570

0.292

0.639

12.0

<1.7e-10

2200 K

0.114

0.570

0.287

0.638

12.4

<1.7e-10

Nominal Wall Thickness

0.040 inches (1.00 mm)

Refractive Index

n_d = 1.644

Density

3.66 g/cc

Thermal Linear Expansion

103E-7 /°C

Transition Temperature

468 °C

Annealing Temperature

481 °C

Deformation Temperature

504 °C