| rags_to_rings |
2023-04-10 16:54 |
Refractive index (nd) 1.47200 *&b~cyC
Dispersion (nF- nC) 0.00719 J?\z{ ;qa
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 "#T3l^@
Thermal conductivity (W/(m * °C)) 1.14 ':k j\$U
Average thermal capacity (KJ/ (kg * °C)) 0.83 X\?e=rUfn
Maximal operation temperature (°C) U"} ml
Short Term [p%@ pV
Long Term ; ><9R@0
Thermal stability O]OZt,k(
500 x)M=_u2 _
450 E>j *m }b
375 \;w+_<zE5{
Density (g/cm3) 2.23 hadGF%> O6
Elastic modulus E (kN/mm3) 64 'Ldlo+*|5
Hardness (HK) 480 T&_!AjH
Poission's Ratio 0.2 &J~vXk:
!
Climatic resistance (ISO - 719 - HGB) Grade 1 M<t>jM@'A#
Acid resistance Grade 1 nu {bEp
Alkali resistance Grade 1 Pd c- 3
Melting temperature (°C) 1680 f
n9[Li
Working Point (°C) 1252 8iTX}$t\{
Softening Point (°C) 820 ± 10 >b>3M'
Annealing Point (°C) 560 ± 10 gkdd#Nrk
Stress Point (°C) 510 ± 10 ,nqG*
o
Surface Tension (dyn/cm) 340-350 (1252 °C) "]}+QK_
Dielectric constant (1MHz, 20°C) 4.6 (>*<<a22
Dielectric loss (1MHz, 20°C) 37 x 10-4 Xp <RG p7E
Dielectric strength (50MHz, 25°C) Kv/mm 16 U 88-K1G
Color Code (λ5/λ80) 297.6/337.2 #t
/.fd
Volume Sensitivity (log ρ) !b r0s(|
250°C S$q:hXZ#e
350°C $ QQv$
8.0 .aWEXJ
6.5 )Yvf9d l
Environmental Protection Pb < 50 ppm .Yqu OCc(
As < 5 ppm k;v2 3
Cd < 5 ppm B mq7w ,L.
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