Refractive index (nd) 1.47200 lGEfI&1%!
Dispersion (nF- nC) 0.00719 ~V/?/J$
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 #"TL*p
Thermal conductivity (W/(m * °C)) 1.14 RCMO?CBe
Average thermal capacity (KJ/ (kg * °C)) 0.83 KS;Wr6]@(O
Maximal operation temperature (°C) 2SYV2
Short Term :+ AqY(Gz
Long Term :&m0eZZ%
Thermal stability w_#5Na}>d
500 O*1la/~m
450 t.]e8=dE
375 m</nOf+C
Density (g/cm3) 2.23 )C>M74Bt
Elastic modulus E (kN/mm3) 64 Ns-3\~QSi
Hardness (HK) 480 #rx@
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Poission's Ratio 0.2 ?r R,
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Climatic resistance (ISO - 719 - HGB) Grade 1 @qB1:==@7
Acid resistance Grade 1 FD^s5>"Y+
Alkali resistance Grade 1 nn/_>%Y
Melting temperature (°C) 1680 *%QTv3{
Working Point (°C) 1252 Es+BV+x[.c
Softening Point (°C) 820 ± 10 G=>LW1E|
Annealing Point (°C) 560 ± 10 ]ChN]>o
Stress Point (°C) 510 ± 10 Q46sPMH+_
Surface Tension (dyn/cm) 340-350 (1252 °C)
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Dielectric constant (1MHz, 20°C) 4.6 y_Nn%(j
Dielectric loss (1MHz, 20°C) 37 x 10-4 ^4tz*i
Dielectric strength (50MHz, 25°C) Kv/mm 16 J,^e q@(
Color Code (λ5/λ80) 297.6/337.2 R^GLATM
Volume Sensitivity (log ρ) x2z%J,z@4
250°C g/ x\#W
350°C M-NY&