Refractive index (nd) 1.47200 N6<23kYM
Dispersion (nF- nC) 0.00719 Mhw\i&*U
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 pf`li]j'V
Thermal conductivity (W/(m * °C)) 1.14 [0e]zyB+
Average thermal capacity (KJ/ (kg * °C)) 0.83 Lsozl<@
Maximal operation temperature (°C) 3,B[%!3d
Short Term i=<(fq
Long Term
*H
RxC
Thermal stability :PaFC{O)*
500 P5P<-T{-c
450 jWW2&cBm\
375 0,;FiOp
Density (g/cm3) 2.23 HnqZ7%jeN
Elastic modulus E (kN/mm3) 64 kB]|4CG{
Hardness (HK) 480
afc?a-~Z
Poission's Ratio 0.2 o&~z8/?LA
Climatic resistance (ISO - 719 - HGB) Grade 1 ;SVF"Uo
Acid resistance Grade 1 `"CF/X^
Alkali resistance Grade 1 \9/n~/{
Melting temperature (°C) 1680 L4;n$=e
Working Point (°C) 1252 EX&y
!
Softening Point (°C) 820 ± 10 "v3u$-xN1
Annealing Point (°C) 560 ± 10 (|5g`JDG
Stress Point (°C) 510 ± 10 %3VwCuE
Surface Tension (dyn/cm) 340-350 (1252 °C) u-k?ef
Dielectric constant (1MHz, 20°C) 4.6 xI~\15PhG
Dielectric loss (1MHz, 20°C) 37 x 10-4 }wkBa]
Dielectric strength (50MHz, 25°C) Kv/mm 16 7F'61}qL
Color Code (λ5/λ80) 297.6/337.2 R/O_*XY
Volume Sensitivity (log ρ) T+4Musu{V
250°C g%=\Wiit]
350°C ._tv$Gd@k
8.0 a4: PufS
6.5 :WCUHQ+
Environmental Protection Pb < 50 ppm m9xu$z|e
As < 5 ppm a3lo;Cfp
Cd < 5 ppm |$b 4{