Refractive index (nd) 1.47200
Y*S(uqM Dispersion (nF- nC) 0.00719
^>z+e"PQA Coefficient of Linear thermal expansion (x10-6/°C) 3.25
m4R:KjN* Thermal conductivity (W/(m * °C)) 1.14
Jn20^YG Average thermal capacity (KJ/ (kg * °C)) 0.83
pO2XQYhrY Maximal operation temperature (°C)
g? C<@ Short Term
~le:4qaX Long Term
x.
/WP~I Thermal stability
=bQ\BY# 500
v\5`n@}4 450
Kw`}hSE>o 375
z/pxZB~" Density (g/cm3) 2.23
^fbzlu?G4- Elastic modulus E (kN/mm3) 64
Xzqx8Kd Hardness (HK) 480
fhro"5/4 Poission's Ratio 0.2
9Wdx"g52_D Climatic resistance (ISO - 719 - HGB) Grade 1
<"7Wb"+ Acid resistance Grade 1
[`1@`5SL- Alkali resistance Grade 1
mD,fxm{G Melting temperature (°C) 1680
xBE}/F$45 Working Point (°C) 1252
cfHtUv Softening Point (°C) 820 ± 10
+y 48.5 Annealing Point (°C) 560 ± 10
QPB^%8 Stress Point (°C) 510 ± 10
0 l+Jq Surface Tension (dyn/cm) 340-350 (1252 °C)
6N/6WrQEeg Dielectric constant (1MHz, 20°C) 4.6
y`pgJO Dielectric loss (1MHz, 20°C) 37 x 10-4
N\fj[?f[ Dielectric strength (50MHz, 25°C) Kv/mm 16
tl=e! Color Code (λ5/λ80) 297.6/337.2
?4_ME3$t Volume Sensitivity (log ρ)
Hr*xA
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