Refractive index (nd) 1.47200 -Sa-eWP
Dispersion (nF- nC) 0.00719 #dQFs]:F
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 }H|'W[Q.
Thermal conductivity (W/(m * °C)) 1.14 Ugme>60`'k
Average thermal capacity (KJ/ (kg * °C)) 0.83 C]Q}HI#G
Maximal operation temperature (°C) ?nZe.z-%6
Short Term k\IdKiOj!D
Long Term 9V >C %I
Thermal stability uo bQ S!
500 #szIYyk
450 8L5O 5F'
375 ?%$~Bb _
Density (g/cm3) 2.23 $3*y)Ny^
Elastic modulus E (kN/mm3) 64 ~U5Tn3'~
Hardness (HK) 480 ^ 0?ww&X
Poission's Ratio 0.2 }yw>d\] f
Climatic resistance (ISO - 719 - HGB) Grade 1 ha7mXGN%
Acid resistance Grade 1 f6 s .xQ
Alkali resistance Grade 1 GU]kgwSf i
Melting temperature (°C) 1680 I8k+Rk *
Working Point (°C) 1252 ua,!kyS
Softening Point (°C) 820 ± 10 PW\me7iCz
Annealing Point (°C) 560 ± 10 |?TX^)
Stress Point (°C) 510 ± 10 $GYy[8{:V
Surface Tension (dyn/cm) 340-350 (1252 °C) ;7*T6~ tv
Dielectric constant (1MHz, 20°C) 4.6 |-z"6F r-
Dielectric loss (1MHz, 20°C) 37 x 10-4 MeV*]*
Dielectric strength (50MHz, 25°C) Kv/mm 16 TSVlZy~Xo
Color Code (λ5/λ80) 297.6/337.2 1C0'
Gf)3
Volume Sensitivity (log ρ) ay]l\d2!3
250°C rU|?3x
350°C 5F#FC89Kk
8.0 O^@F?CG :1
6.5 = BbG2k
Environmental Protection Pb < 50 ppm ^
4*#QtO
As < 5 ppm |XV`A)=f
Cd < 5 ppm t< " %m)J
