| rags_to_rings |
2023-04-10 16:54 |
Refractive index (nd) 1.47200 2%fIe
Dispersion (nF- nC) 0.00719 2H4vK]]Nl
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 l~;>KjZg
Thermal conductivity (W/(m * °C)) 1.14 i:aW
.QZ.
Average thermal capacity (KJ/ (kg * °C)) 0.83 Q
>/,Q X
Maximal operation temperature (°C) :6lv X$
Short Term nI] EfHU
Long Term HQ-+ +;Q
Thermal stability =w+8q1!o
500 ? nW>' z
450 <E U R:
375 h*l$!nEN
Density (g/cm3) 2.23 6qZ \^ U
Elastic modulus E (kN/mm3) 64 70 7( LG
Hardness (HK) 480 ` 'Qb ?F6
Poission's Ratio 0.2
gEj#>=s
Climatic resistance (ISO - 719 - HGB) Grade 1 WuU wd#e
Acid resistance Grade 1 5_'lu
Alkali resistance Grade 1 J;obh.}u"{
Melting temperature (°C) 1680 Z,#H\1v3lB
Working Point (°C) 1252 RX>P-vp
Softening Point (°C) 820 ± 10 iv$YUM+
Annealing Point (°C) 560 ± 10 2.z-&lFBZ
Stress Point (°C) 510 ± 10 1]G )41
Surface Tension (dyn/cm) 340-350 (1252 °C) V#dga5*]
Dielectric constant (1MHz, 20°C) 4.6 r+Ki`HD%
Dielectric loss (1MHz, 20°C) 37 x 10-4 0mSP
Dielectric strength (50MHz, 25°C) Kv/mm 16 "wOfs$w%s
Color Code (λ5/λ80) 297.6/337.2 uem- fTG
Volume Sensitivity (log ρ) z;S-Q,
250°C ) 6)bI.BY
350°C >l &]Ho
8.0 ^MvuFA ,C
6.5 +>q#eUS)
Environmental Protection Pb < 50 ppm !G;u
)7'v
As < 5 ppm (*$bTI/~
Cd < 5 ppm Y}c/wF7o
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