Refractive index (nd) 1.47200 _Q&O#f
Dispersion (nF- nC) 0.00719 peW4J<,
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 +pDZ,c,
Thermal conductivity (W/(m * °C)) 1.14 nO-1^HUl
Average thermal capacity (KJ/ (kg * °C)) 0.83 ^f][;>c
Maximal operation temperature (°C) Qb "\j
Short Term vb^/DMhz
Long Term qz]b8rX
Thermal stability U Px7u%Do
500 Op''=Ar#sh
450 |ci1P[y
375 #a7 Wx}
Density (g/cm3) 2.23 ,c3gW2E
Elastic modulus E (kN/mm3) 64 /;P* ?
Hardness (HK) 480 NlLgXn!
Poission's Ratio 0.2 OJX* :Q
Climatic resistance (ISO - 719 - HGB) Grade 1 PeCU V6
Acid resistance Grade 1 bWp40&vx
Alkali resistance Grade 1 `*?8<Vm
Melting temperature (°C) 1680 \~j6}4XS1.
Working Point (°C) 1252 #"PI%&
Softening Point (°C) 820 ± 10 %A 4F?/E
Annealing Point (°C) 560 ± 10 ^)-* Ubzz
Stress Point (°C) 510 ± 10 c;RB!`9"
Surface Tension (dyn/cm) 340-350 (1252 °C) 9hoTxWpmy
Dielectric constant (1MHz, 20°C) 4.6 *hugQh]a
Dielectric loss (1MHz, 20°C) 37 x 10-4 Ekq&.qjYG"
Dielectric strength (50MHz, 25°C) Kv/mm 16 f~bZTf
Color Code (λ5/λ80) 297.6/337.2 y9<]F6TT
Volume Sensitivity (log ρ) @C\>P49
250°C vpTYfE
350°C DdAs]e|D[
8.0 JjO="Cmk/
6.5 K8>-%ns
Environmental Protection Pb < 50 ppm s+mNr3
As < 5 ppm #f*,mY|>
Cd < 5 ppm \TchRSe