Refractive index (nd) 1.47200 e^D]EA]%
Dispersion (nF- nC) 0.00719 s-T\r"d=j
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 dlTt_.
Thermal conductivity (W/(m * °C)) 1.14 [HZv8HU|
Average thermal capacity (KJ/ (kg * °C)) 0.83 A~t
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Maximal operation temperature (°C) Z?m3~L9L2
Short Term 6 ~w@PRy
Long Term (JFWna0@
Thermal stability "1M[5\Ax
500 ;;N9>M?b
450 U\*J9
375 9mTJ|sN:e
Density (g/cm3) 2.23 ;MdlwQ$`
Elastic modulus E (kN/mm3) 64 FQ5U$x.[P
Hardness (HK) 480
Z>5b;8
Poission's Ratio 0.2 ~FG]wNgS
Climatic resistance (ISO - 719 - HGB) Grade 1 :&9s,l
Acid resistance Grade 1 [K0(RDV)%
Alkali resistance Grade 1
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Melting temperature (°C) 1680 wD'SPk5S?
Working Point (°C) 1252 HCC#j9UN6
Softening Point (°C) 820 ± 10 5C5sgR C
Annealing Point (°C) 560 ± 10
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Stress Point (°C) 510 ± 10 ckE-",G
Surface Tension (dyn/cm) 340-350 (1252 °C) u5f9Jw}
Dielectric constant (1MHz, 20°C) 4.6 bB3powy9
Dielectric loss (1MHz, 20°C) 37 x 10-4 b2&0Hx
Dielectric strength (50MHz, 25°C) Kv/mm 16 U|Ta4W`k\
Color Code (λ5/λ80) 297.6/337.2 338k?nHxv
Volume Sensitivity (log ρ) _^%,x
250°C ExL0?FemWV
350°C N U`
8.0 VQ9/Gxdeo
6.5 lp%pbx43s
Environmental Protection Pb < 50 ppm C1 GKLl~
As < 5 ppm ^yN&ZI3P&
Cd < 5 ppm t=W}SH