Refractive index (nd) 1.47200 3r^||( _u
Dispersion (nF- nC) 0.00719 $pPc}M[h
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 :Id8N~g
Thermal conductivity (W/(m * °C)) 1.14 3`3my=
Average thermal capacity (KJ/ (kg * °C)) 0.83 Su@V5yz
Maximal operation temperature (°C) fi'zk
Short Term X pK eN2=p
Long Term V@z/%=PJ
Thermal stability .j)DE}[q>
500 YJz06E1 -9
450 7/]R a
375 " 5Pqvi
Density (g/cm3) 2.23 @~=d4Wj6
Elastic modulus E (kN/mm3) 64 :Eg4^,QX
Hardness (HK) 480 ooa"Th<
Poission's Ratio 0.2 NU.4_cixb
Climatic resistance (ISO - 719 - HGB) Grade 1 u1'l4VgT
Acid resistance Grade 1 NP \/9
8|1
Alkali resistance Grade 1 /&=y_%VR
Melting temperature (°C) 1680 bB/fU7<{)u
Working Point (°C) 1252 ~t*_
Softening Point (°C) 820 ± 10 Hjs#p{t[
Annealing Point (°C) 560 ± 10 q2Sc{E>[
Stress Point (°C) 510 ± 10 #Ph8 ?
Surface Tension (dyn/cm) 340-350 (1252 °C) j~in%|^
Dielectric constant (1MHz, 20°C) 4.6 ^8ilUu
Dielectric loss (1MHz, 20°C) 37 x 10-4 P
2x.rukT|
Dielectric strength (50MHz, 25°C) Kv/mm 16 HD$ r<bl
Color Code (λ5/λ80) 297.6/337.2 >Wd=+$!I
Volume Sensitivity (log ρ) rV%;d[LB
250°C 1D"EF
350°C e9k$5 ps
8.0 8v ^AVg
6.5 l,QO+
>)z
Environmental Protection Pb < 50 ppm PM:u~D$Jd
As < 5 ppm @&E7Pg5
Cd < 5 ppm C?g*c
