Chromaticity CIE ‘76 

Chromaticity CIE ‘31

Photopic Transmittance

(NR)a @ 0.1 fl

Source

u’

v’

x

y

Y(%)

2100 K

0.101

0.547

0.235

0.568

16.2

<1.7e-10

2200 K

0.099

0.544

0.230

0.560

16.8

<1.7e-10

Nominal Wall Thickness

0.040 inches (1.00 mm)

Refractive Index

n_d = 1.680

Density

4.03 g/cc

Thermal Linear Expansion

109E-7 /°C

Transition Temperature

471 °C

Annealing Temperature

484 °C

Deformation Temperature

502 °C