| rags_to_rings |
2023-04-10 16:54 |
Refractive index (nd) 1.47200 |s f*hlrJ
Dispersion (nF- nC) 0.00719 %b =p< h'(
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 ) * TF"
Thermal conductivity (W/(m * °C)) 1.14 Sl>>SP
Average thermal capacity (KJ/ (kg * °C)) 0.83 q}wj} t#
Maximal operation temperature (°C) ~@Kf2dHes
Short Term [ @ 3 SfQ
Long Term h!e2
+4{4{
Thermal stability .45^=2NGmQ
500 Z>2]Xx%
\
450 FVgMmYU
375 ^PqMi:htc
Density (g/cm3) 2.23 :}9j^}"c3
Elastic modulus E (kN/mm3) 64 #) ] c0]p
Hardness (HK) 480 62kb2C
Poission's Ratio 0.2 {1 55b0
Climatic resistance (ISO - 719 - HGB) Grade 1 -=)-s m'
Acid resistance Grade 1 qS.)UaA
Alkali resistance Grade 1 n3 ZAF'
Melting temperature (°C) 1680 xmr|'}Pt[
Working Point (°C) 1252 :wipE]~ 4t
Softening Point (°C) 820 ± 10 "K ?Q
Annealing Point (°C) 560 ± 10 TvQ ^DZbe
Stress Point (°C) 510 ± 10 y94kX:q
Surface Tension (dyn/cm) 340-350 (1252 °C) a2yE:16o6
Dielectric constant (1MHz, 20°C) 4.6 i8~$o:&HT
Dielectric loss (1MHz, 20°C) 37 x 10-4 '7tBvVO_
Dielectric strength (50MHz, 25°C) Kv/mm 16 z(H?VfJ o
Color Code (λ5/λ80) 297.6/337.2 -@M3Dwsi3
Volume Sensitivity (log ρ) jPk
c3dG
+
250°C nb mc[!PwG
350°C c+2%rh1
8.0 XmWlv{T+
6.5 A#DR9Eq
Environmental Protection Pb < 50 ppm KDey(DN:
As < 5 ppm eH
<Jng
Cd < 5 ppm 6>DLp}d
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