Refractive index (nd) 1.47200 0%FC;v0
Dispersion (nF- nC) 0.00719 {!^HG+
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 aeSy,:
Thermal conductivity (W/(m * °C)) 1.14 qcQ`WU{
Average thermal capacity (KJ/ (kg * °C)) 0.83 J_rCo4}
Maximal operation temperature (°C) K<Yh'RvTD
Short Term PK3T@Qv89
Long Term 2U~oWg2P
Thermal stability !3yR?Xem}
500 qf24l&}
450 /^/'9}7
375 4D\_[(P
Density (g/cm3) 2.23 '|Q=J)
Elastic modulus E (kN/mm3) 64 -iH/~a
Hardness (HK) 480 6_zL#7E'
Poission's Ratio 0.2 V7rcnk#
Climatic resistance (ISO - 719 - HGB) Grade 1 Wt8;S$!=R
Acid resistance Grade 1 oVC~RKA*
Alkali resistance Grade 1 I|WBT
Melting temperature (°C) 1680 ?1PY]KNaK
Working Point (°C) 1252 u=rY
Softening Point (°C) 820 ± 10 IHxX:a/iv
Annealing Point (°C) 560 ± 10 P.;B
V",
Stress Point (°C) 510 ± 10 )%,bog(x
Surface Tension (dyn/cm) 340-350 (1252 °C) @ULr)&9
Dielectric constant (1MHz, 20°C) 4.6 zT_{M
qY
Dielectric loss (1MHz, 20°C) 37 x 10-4 w`#lLl
B
Dielectric strength (50MHz, 25°C) Kv/mm 16 n4Q!lJ
Color Code (λ5/λ80) 297.6/337.2 cE]tvL:g
Volume Sensitivity (log ρ) []LNNO],X
250°C lX5(KUN
350°C ,dh*GJ{5
8.0 NO* 1km[#
6.5 Lk3@Eu)
Environmental Protection Pb < 50 ppm P?TFX.p7
As < 5 ppm ,C=Fgxw(
Cd < 5 ppm ,qvz:a