Refractive index (nd) 1.47200 &lo<sbd.
Dispersion (nF- nC) 0.00719 hWiHKR]
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 Spw^h=o
Thermal conductivity (W/(m * °C)) 1.14 as73/J6
Average thermal capacity (KJ/ (kg * °C)) 0.83 vjVa),2
Maximal operation temperature (°C) 6>3zD)tG
Short Term (QdLz5\
Long Term dUBf.2ry
Thermal stability {`Z=LLL
500 g,G{%dGsk
450 fo=@ X>S
375 z%]3`_I
Density (g/cm3) 2.23 Nx zAlu
Elastic modulus E (kN/mm3) 64 |kF"p~s
Hardness (HK) 480 -
i{1h"
Poission's Ratio 0.2 tiy#b8
Climatic resistance (ISO - 719 - HGB) Grade 1 J|@O4g
Acid resistance Grade 1 E<p<"UjcCJ
Alkali resistance Grade 1 ,g 1~4,hqQ
Melting temperature (°C) 1680 E Uq6)
K
Working Point (°C) 1252 Uh XVeGO
Softening Point (°C) 820 ± 10 *&5./WEOH
Annealing Point (°C) 560 ± 10 >_# A*B|
Stress Point (°C) 510 ± 10 <vzU}JA\
Surface Tension (dyn/cm) 340-350 (1252 °C) &Z}}9dd
Dielectric constant (1MHz, 20°C) 4.6 Q>xp 90&.n
Dielectric loss (1MHz, 20°C) 37 x 10-4 BwYR"
Dielectric strength (50MHz, 25°C) Kv/mm 16 [fJxbr"
Color Code (λ5/λ80) 297.6/337.2 S/yBr`
Volume Sensitivity (log ρ) t Kjk<
250°C ?IDkDv!na~
350°C ?btX&:j2P
8.0 MM~4D
6.5 wuhL r(
Environmental Protection Pb < 50 ppm OTEx9
As < 5 ppm <899r \
Cd < 5 ppm ]>0$l _V