| rags_to_rings |
2023-04-10 16:54 |
Refractive index (nd) 1.47200 L*tXy>&b.
Dispersion (nF- nC) 0.00719 FcIH <_r
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 }7hpx! s,
Thermal conductivity (W/(m * °C)) 1.14 T~$ePVk>L
Average thermal capacity (KJ/ (kg * °C)) 0.83 R+]p
-NI ^
Maximal operation temperature (°C) 8 DTk<5mW~
Short Term ..FUg"sSO
Long Term 3iYz<M
Thermal stability el!Bi>b9c!
500 ,2JqX>On>Y
450 h x4!P( o1
375 CkoPno
Density (g/cm3) 2.23 w GZ(bKyO
Elastic modulus E (kN/mm3) 64 s
cR-|GuZ
Hardness (HK) 480 &o"Hb=k<
Poission's Ratio 0.2 zq!2);,
Climatic resistance (ISO - 719 - HGB) Grade 1 \!ESmxSa;
Acid resistance Grade 1 :EgdV
Alkali resistance Grade 1 M0Z>$Az]t
Melting temperature (°C) 1680 UShn)3 F
Working Point (°C) 1252 R,Zuy( g
Softening Point (°C) 820 ± 10 L:Wy- Z
Annealing Point (°C) 560 ± 10 1@)]+* F*z
Stress Point (°C) 510 ± 10 SJU93n"G/
Surface Tension (dyn/cm) 340-350 (1252 °C) md $[Bs9
Dielectric constant (1MHz, 20°C) 4.6 vlIdi@V
Dielectric loss (1MHz, 20°C) 37 x 10-4 1)_f9G R
Dielectric strength (50MHz, 25°C) Kv/mm 16 x(}t r27o
Color Code (λ5/λ80) 297.6/337.2 ?; )(O 2p
Volume Sensitivity (log ρ) >[|:cz
250°C BCUw"R#
350°C WY 2b
8.0 5B'-&.Aj+
6.5 ccD+o$7LT
Environmental Protection Pb < 50 ppm |<y[gj4`T/
As < 5 ppm {(a@3m~a%
Cd < 5 ppm ([f6\Pw\ <
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