Refractive index (nd) 1.47200 H!y-o'Z
Dispersion (nF- nC) 0.00719 6il+hz2&lH
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 -|czhO)R
Thermal conductivity (W/(m * °C)) 1.14 MzW!iG
Average thermal capacity (KJ/ (kg * °C)) 0.83 ? a?]
LIE8
Maximal operation temperature (°C) MA 6uJT
Short Term cnDBT3$~Z
Long Term .p~.S&)
Thermal stability dKPx3Y'
500 3\B~`=*q/
450 nzB!0U
375 ^'vWv C
Density (g/cm3) 2.23 YL4yT`*
Elastic modulus E (kN/mm3) 64 Y=UN`vRR
Hardness (HK) 480 2ZxZ2?.uJ
Poission's Ratio 0.2 *;
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Climatic resistance (ISO - 719 - HGB) Grade 1 0NSCeq%;6q
Acid resistance Grade 1 \7(OFT\u:
Alkali resistance Grade 1 :y!{=[>M(
Melting temperature (°C) 1680 @^Kw\s
Working Point (°C) 1252 u])MI6LF
Softening Point (°C) 820 ± 10 cPl$N5/5
Annealing Point (°C) 560 ± 10 H//,qxDc
Stress Point (°C) 510 ± 10 ZN;fDv
Surface Tension (dyn/cm) 340-350 (1252 °C) oFu( J
Dielectric constant (1MHz, 20°C) 4.6 z)FGbX
Dielectric loss (1MHz, 20°C) 37 x 10-4 !;U}ax;AF
Dielectric strength (50MHz, 25°C) Kv/mm 16 N1]P3
Color Code (λ5/λ80) 297.6/337.2 ( 2KopL
Volume Sensitivity (log ρ) aFy'6c}
250°C .18MMzdN
350°C tH4+S?PI
8.0 <*4r6UFR
6.5 6)3pnhG9
Environmental Protection Pb < 50 ppm qEPC]es|T
As < 5 ppm =NL(L
Cd < 5 ppm Oyjhc<6