| rags_to_rings |
2023-04-10 16:54 |
Refractive index (nd) 1.47200 arPqVMVr
Dispersion (nF- nC) 0.00719 nNM)rW
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 XK
l3B=h
Thermal conductivity (W/(m * °C)) 1.14 (j}Wt 8
Average thermal capacity (KJ/ (kg * °C)) 0.83 ]=^NTm,
Maximal operation temperature (°C) Wm58[;%LTw
Short Term 9NC6q-2
Long Term G_p13{"IM
Thermal stability C"}]PW
500 &
V/t0
450 5|[\Se#
375 oX]c$<w5
Density (g/cm3) 2.23 S1$&
Elastic modulus E (kN/mm3) 64 BI)$aR
Hardness (HK) 480 k3"Y!Uha:
Poission's Ratio 0.2 [=xO>
Climatic resistance (ISO - 719 - HGB) Grade 1 7+p=4i^@Zs
Acid resistance Grade 1 wvSaq+N
Alkali resistance Grade 1 *}i.,4+y
Melting temperature (°C) 1680 cbA90 8@s
Working Point (°C) 1252 zTt6L6:u
Softening Point (°C) 820 ± 10 ~|)'vK8W
Annealing Point (°C) 560 ± 10 sz b],)|18
Stress Point (°C) 510 ± 10 j.rJfbE|X
Surface Tension (dyn/cm) 340-350 (1252 °C) F0 FF:><
Dielectric constant (1MHz, 20°C) 4.6 H]W59-{a
Dielectric loss (1MHz, 20°C) 37 x 10-4 ,NaNih 1
Dielectric strength (50MHz, 25°C) Kv/mm 16 D7x"P-ie
Color Code (λ5/λ80) 297.6/337.2 >'lt e&
Volume Sensitivity (log ρ) 3+jqf@ fO
250°C *]
cm{N
350°C MY}B)`yx=
8.0 7l3sd5
6.5 .qBf`T;
Environmental Protection Pb < 50 ppm ;HeUD5Nt6F
As < 5 ppm s k_Q\0a
Cd < 5 ppm Bq]eNq
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