Refractive index (nd) 1.47200 YbZ<=ZzO4
Dispersion (nF- nC) 0.00719 4eb<SNi
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 /_~b~3{u
Thermal conductivity (W/(m * °C)) 1.14 Yh/-6wg
Average thermal capacity (KJ/ (kg * °C)) 0.83 -x
) (2|
Maximal operation temperature (°C) Bm%. f!`
Short Term QrDrd A
Long Term ]RHR> =;
Thermal stability 2,|*KN*e`W
500 9R.I Ynq
450 @~6A9Fr
375 $ hB;r
Density (g/cm3) 2.23 ;aYPv8s~,:
Elastic modulus E (kN/mm3) 64 20 gPx;
Hardness (HK) 480 =!NYvwg6;o
Poission's Ratio 0.2 Z5~dU{XsT
Climatic resistance (ISO - 719 - HGB) Grade 1 <x@\3{{U
Acid resistance Grade 1 'N,3]Soi
Alkali resistance Grade 1 j9C=m"O
Melting temperature (°C) 1680 &*g5kh{
Working Point (°C) 1252 &|<~J ( L;
Softening Point (°C) 820 ± 10 &rj6<b1A
Annealing Point (°C) 560 ± 10 qS{lay
Stress Point (°C) 510 ± 10 #f]R:Ix>
Surface Tension (dyn/cm) 340-350 (1252 °C) G 8|[.n
Dielectric constant (1MHz, 20°C) 4.6 bTC2Ya
Dielectric loss (1MHz, 20°C) 37 x 10-4 K/oPfD]
Dielectric strength (50MHz, 25°C) Kv/mm 16 R7T"fN
Color Code (λ5/λ80) 297.6/337.2 %_+9y??
Volume Sensitivity (log ρ) #V-qS/ q"
250°C IDBhhv3ak
350°C k 1 >%wR
8.0 j-$a a;
6.5 G1B~?i2$ ?
Environmental Protection Pb < 50 ppm OB3AZH$
As < 5 ppm en7i})v\".
Cd < 5 ppm "Gcr1$xG8!
