Refractive index (nd) 1.47200 2F+gF~znQ
Dispersion (nF- nC) 0.00719 ALT^8c&K
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 -$-8W
Thermal conductivity (W/(m * °C)) 1.14 {"}V&X160o
Average thermal capacity (KJ/ (kg * °C)) 0.83 ;hDa@3|]34
Maximal operation temperature (°C) rT6?!$"%.
Short Term U@-2Q=
Long Term [kB
`
Thermal stability 'Pd(\$ZY
500 ;_"U "?h_J
450 !@L=;1,
375 R: Z_g!h
Density (g/cm3) 2.23 eV!L^>>>
Elastic modulus E (kN/mm3) 64 9lzQ\}
Hardness (HK) 480 Y`ihi,s`H
Poission's Ratio 0.2 *75YGD
Climatic resistance (ISO - 719 - HGB) Grade 1 cy3Td28,
Acid resistance Grade 1 ZI13
Alkali resistance Grade 1 )u} Q:`9
Melting temperature (°C) 1680 p]gT&[iJ
Working Point (°C) 1252 >lzA]aM$c
Softening Point (°C) 820 ± 10 EU+cca|qS9
Annealing Point (°C) 560 ± 10 93Yn`Av;
Stress Point (°C) 510 ± 10 1=)r@X/6d
Surface Tension (dyn/cm) 340-350 (1252 °C) = !2NU
Dielectric constant (1MHz, 20°C) 4.6 [M+tB"_
Dielectric loss (1MHz, 20°C) 37 x 10-4 `=)2<Ca;~@
Dielectric strength (50MHz, 25°C) Kv/mm 16 ~}ovuf=%
Color Code (λ5/λ80) 297.6/337.2 HZjf`eM,
Volume Sensitivity (log ρ) [~mGsXV
250°C *I*i>==Z
350°C MQTdk*L_]
8.0 q9*MNHg}
6.5 NC"yDWnO'
Environmental Protection Pb < 50 ppm 6d|q+]x_n
As < 5 ppm )b4$A:
Cd < 5 ppm 4,P bg|