| rags_to_rings |
2023-04-10 16:54 |
Refractive index (nd) 1.47200 :4w ?#
Dispersion (nF- nC) 0.00719 S+6.ZZ9c
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 Q\vpqE! 9
Thermal conductivity (W/(m * °C)) 1.14 B mb0cF Q
Average thermal capacity (KJ/ (kg * °C)) 0.83 [DOckf oZx
Maximal operation temperature (°C) ~=LE0. 3[
Short Term I][*j
Long Term N>1em!AS
Thermal stability `RW HN/U
500 {TROoX~H?
450 (,2S XV
375 LOYk 9m
Density (g/cm3) 2.23 a-tm q]]E
Elastic modulus E (kN/mm3) 64 n8[!pH~6
Hardness (HK) 480 pl lGB6 X
Poission's Ratio 0.2 Y h7t"=o
Climatic resistance (ISO - 719 - HGB) Grade 1 ?z+eWL
Acid resistance Grade 1 9=tIz
Alkali resistance Grade 1 j;r-NCBnz
Melting temperature (°C) 1680 JR|ck=tq
Working Point (°C) 1252 q
i;1L
Kc
Softening Point (°C) 820 ± 10 M _f:A
Annealing Point (°C) 560 ± 10 0mVN QxHI
Stress Point (°C) 510 ± 10 wlvgg
Surface Tension (dyn/cm) 340-350 (1252 °C) ,`Z1m
o>n
Dielectric constant (1MHz, 20°C) 4.6 I{2hfKUe`
Dielectric loss (1MHz, 20°C) 37 x 10-4 B6 ; |f'e!
Dielectric strength (50MHz, 25°C) Kv/mm 16 D_7,m%Z:
Color Code (λ5/λ80) 297.6/337.2 $PPi5f}HD
Volume Sensitivity (log ρ) >=>2m2z=
250°C j$:~Rek
350°C JbbzV>
8.0 $%Kf q[Q
6.5 n>XdU%&
Environmental Protection Pb < 50 ppm rlLMT6r.8
As < 5 ppm ;'K5J 9k
Cd < 5 ppm A)!*]o >U
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