Refractive index (nd) 1.47200 ?a5! H*,
Dispersion (nF- nC) 0.00719 tsjrRMR
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 +0Y&`{#Z
Thermal conductivity (W/(m * °C)) 1.14 H{wl% G
Average thermal capacity (KJ/ (kg * °C)) 0.83 ?tbrbkx
Maximal operation temperature (°C) QWYJ*
Short Term ~>|ziHx
Long Term SJ,v?=S!
Thermal stability e"<OELA
500 i_%_ x*
450 ":ue-=&M
375 V,njO{Q
Density (g/cm3) 2.23 sgFEK[w.y
Elastic modulus E (kN/mm3) 64 [W&T(%(W-
Hardness (HK) 480 0 H:X3y+
Poission's Ratio 0.2 hgq;`_;1,
Climatic resistance (ISO - 719 - HGB) Grade 1 ~DwpoeYX
Acid resistance Grade 1 [(lW^-
Alkali resistance Grade 1 z0 3K=aZ
Melting temperature (°C) 1680 })%{AfDRF
Working Point (°C) 1252 ]f_p8?j"
Softening Point (°C) 820 ± 10 2>%=U~5
Annealing Point (°C) 560 ± 10 y9ZvV0
Stress Point (°C) 510 ± 10 W=?<<dVYD
Surface Tension (dyn/cm) 340-350 (1252 °C) 59u}W 0
Dielectric constant (1MHz, 20°C) 4.6 %N._w!N<5n
Dielectric loss (1MHz, 20°C) 37 x 10-4 $&c*'3
Dielectric strength (50MHz, 25°C) Kv/mm 16 XCQs2CHt
Color Code (λ5/λ80) 297.6/337.2 ;$4\e)AB
Volume Sensitivity (log ρ) :2`e(+Uz
250°C SXh-A1t
350°C UN#S;x*
8.0 !N^@4*
6.5 }SZd
Environmental Protection Pb < 50 ppm d=/F}yP~?s
As < 5 ppm !ohN!P7&
Cd < 5 ppm SpBy3wd