Refractive index (nd) 1.47200 (/s~L*gF{
Dispersion (nF- nC) 0.00719 ^aQ&.q
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 Uv652DC
Thermal conductivity (W/(m * °C)) 1.14 ?[P>2oz
Average thermal capacity (KJ/ (kg * °C)) 0.83 9,JWi{lIv
Maximal operation temperature (°C) |o'r?"
Short Term j(k}NWPH
Long Term ) .KMZ]
Thermal stability p#_5w
500 XVJH>Zw
450 vVrM[0*c
375 eTay/i<-
Density (g/cm3) 2.23 sZEa8
Elastic modulus E (kN/mm3) 64 nF<xJs
Hardness (HK) 480 pM}~/
Poission's Ratio 0.2 >#Xz~xI/I
Climatic resistance (ISO - 719 - HGB) Grade 1 FCWk8/
Acid resistance Grade 1 +S`cUn7
Alkali resistance Grade 1 9!kp3x/`
Melting temperature (°C) 1680 <q>d@Foi
Working Point (°C) 1252 j%Xa8$
Softening Point (°C) 820 ± 10 6>
z{xYat
Annealing Point (°C) 560 ± 10 yz5! >|EB
Stress Point (°C) 510 ± 10 L#J2J$=
Surface Tension (dyn/cm) 340-350 (1252 °C) vU]n0)<KB
Dielectric constant (1MHz, 20°C) 4.6 Y*\N{6$2
Dielectric loss (1MHz, 20°C) 37 x 10-4 7#NHPn
Dielectric strength (50MHz, 25°C) Kv/mm 16 ~*9Ue@
Color Code (λ5/λ80) 297.6/337.2 .U44p*I
Volume Sensitivity (log ρ) W0Y
,3;0
250°C ;(A-
350°C y)a)VvU":
8.0 @65xn)CD{
6.5 ;r&Z?B$
Environmental Protection Pb < 50 ppm 29VX-45
As < 5 ppm m l@%H
Cd < 5 ppm 8FZC0j.^DH