| rags_to_rings |
2023-04-10 16:54 |
Refractive index (nd) 1.47200 =hRo#]{(K
Dispersion (nF- nC) 0.00719 HuT4OGBFpC
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 -al\* XDz
Thermal conductivity (W/(m * °C)) 1.14 F $/7X~*
Average thermal capacity (KJ/ (kg * °C)) 0.83 i%@blz:_Y
Maximal operation temperature (°C) [~NJf3c"
Short Term Xwp6] lx
Long Term : ;
z]:d
Thermal stability qu\cU(H|
500 >}T}^F
450 e5AZU7% .
375 G&Fe2&5!w
Density (g/cm3) 2.23 p=!12t
Elastic modulus E (kN/mm3) 64 a =
*'
Hardness (HK) 480 p!> 5}f6
Poission's Ratio 0.2 ?e{hid g
Climatic resistance (ISO - 719 - HGB) Grade 1 KvjsibI/Y
Acid resistance Grade 1 >:Y"DX-
Alkali resistance Grade 1 Nl] _Ie6
Melting temperature (°C) 1680 o75l&`
Working Point (°C) 1252 B>} B{qi|
Softening Point (°C) 820 ± 10 jn
+*G<NJ
Annealing Point (°C) 560 ± 10 *I:a \o~$[
Stress Point (°C) 510 ± 10 n\ 'PN B
Surface Tension (dyn/cm) 340-350 (1252 °C) !C(U9p. 0
Dielectric constant (1MHz, 20°C) 4.6 ~4+ICCbH
Dielectric loss (1MHz, 20°C) 37 x 10-4 Mfn^v:Q#
Dielectric strength (50MHz, 25°C) Kv/mm 16 >P+o NY
Color Code (λ5/λ80) 297.6/337.2 y( ceEV
Volume Sensitivity (log ρ) ++sbSl)Q
250°C /IQ$[WR cx
350°C 0fGt7 " Q
8.0 3xk- D &"
6.5 G %A!yV
Environmental Protection Pb < 50 ppm }}qY,@eeX
As < 5 ppm 5B Jn_<
Cd < 5 ppm .[r1Qz 7G
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