| rags_to_rings |
2023-04-10 16:54 |
Refractive index (nd) 1.47200 cd$m25CxC
Dispersion (nF- nC) 0.00719 d`
jjGEj
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 vTlwRG=5
Thermal conductivity (W/(m * °C)) 1.14 K 95p>E`9e
Average thermal capacity (KJ/ (kg * °C)) 0.83 (Q.waI
Maximal operation temperature (°C) _Ou WB"
Short Term yIDD@j=l
Long Term ]
:BX!<
Thermal stability / .W w6a~
500 6~1|qEe6I
450 D"ND+*Q [X
375 il:$sd
Density (g/cm3) 2.23 qoj$ ]
Elastic modulus E (kN/mm3) 64 FRg^c
kb"
Hardness (HK) 480 Z|5?7v;h5
Poission's Ratio 0.2 ?<(m
5Al 7
Climatic resistance (ISO - 719 - HGB) Grade 1 }Rz3<eON
Acid resistance Grade 1 c@ /(B:@
Alkali resistance Grade 1 /J: bWr
Melting temperature (°C) 1680 $!8-? ?ML
Working Point (°C) 1252 n~A%q,DmF
Softening Point (°C) 820 ± 10 Axe8n1*y
Annealing Point (°C) 560 ± 10 \ H=&`?
Stress Point (°C) 510 ± 10 bpKZ3}U
Surface Tension (dyn/cm) 340-350 (1252 °C) nij!1z|M
Dielectric constant (1MHz, 20°C) 4.6 `<\1[HJ\
Dielectric loss (1MHz, 20°C) 37 x 10-4 m6 ',SY9T
Dielectric strength (50MHz, 25°C) Kv/mm 16 G|(
]bvJ?
Color Code (λ5/λ80) 297.6/337.2 \Dd-Xn_b
Volume Sensitivity (log ρ) ds?v' |
250°C o[cV 1G
350°C )FpZPdN+h
8.0 0o9 3i u=&
6.5 ($}`R
xj1@
Environmental Protection Pb < 50 ppm " e}3:U5n
As < 5 ppm 21< j \
M
Cd < 5 ppm {|1Y:&M?
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