| rags_to_rings |
2023-04-10 16:54 |
Refractive index (nd) 1.47200 5 < GDW=
Dispersion (nF- nC) 0.00719 T/NjNEd#
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 +sRP<as
Thermal conductivity (W/(m * °C)) 1.14 79wLT \ &
Average thermal capacity (KJ/ (kg * °C)) 0.83 U!0E_J
Maximal operation temperature (°C) hiN/S|JN8y
Short Term t!0d Jud
Long Term $kl$D"*0
Thermal stability A="f j
500 EHhd ;,;O
450 rVcBl4&1*g
375 . ,R4WA,
Density (g/cm3) 2.23 -njQc:4W,-
Elastic modulus E (kN/mm3) 64 ;s }3e#$L
Hardness (HK) 480 Wcn[gn<
Poission's Ratio 0.2 b2s~%}T
Climatic resistance (ISO - 719 - HGB) Grade 1 y l/a:Q
Acid resistance Grade 1 "{ FoA3g|
Alkali resistance Grade 1 PQ3h\CL1n
Melting temperature (°C) 1680 : ,^ >d3k
Working Point (°C) 1252 N~| t!G*9
Softening Point (°C) 820 ± 10 Vo >X p
Annealing Point (°C) 560 ± 10 !F$R+A+L
Stress Point (°C) 510 ± 10 !W~<q{VTs
Surface Tension (dyn/cm) 340-350 (1252 °C) 8 gI\ zgS
Dielectric constant (1MHz, 20°C) 4.6 ;wgFr.#hp@
Dielectric loss (1MHz, 20°C) 37 x 10-4 @ [v8}D
Dielectric strength (50MHz, 25°C) Kv/mm 16 t!t=|JNf{
Color Code (λ5/λ80) 297.6/337.2 ,E9d\+j
Volume Sensitivity (log ρ) Jn#K0( FQ
250°C Hm4 bN \%
350°C Ia7D F '
8.0 RHI&j~
6.5 " '[hr$h3
Environmental Protection Pb < 50 ppm ~K` 1
As < 5 ppm O,i rpQ
Cd < 5 ppm o_rtH|ntX5
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