| rags_to_rings |
2023-04-10 16:54 |
Refractive index (nd) 1.47200 {|B
2$1':
Dispersion (nF- nC) 0.00719 $ d*PY_
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 N c(f+8
Thermal conductivity (W/(m * °C)) 1.14 |,Kk#`lW<f
Average thermal capacity (KJ/ (kg * °C)) 0.83 ^{Fo,7
Maximal operation temperature (°C) : "^/?Sd
Short Term ] ^53Qbrv
Long Term 8ByNaXMO6
Thermal stability l:+$K s
500 T STkMlCG
450 _0|@B8!J?
375 sSy!mtS
Density (g/cm3) 2.23 8ly6CP+^B
Elastic modulus E (kN/mm3) 64 z?n 6l7sH
Hardness (HK) 480 &Jd_@F#J
Poission's Ratio 0.2 88KQ) NU
Climatic resistance (ISO - 719 - HGB) Grade 1 gsY Q"/S9
Acid resistance Grade 1 ^'p!#\T;H
Alkali resistance Grade 1 K5HzA1^
Melting temperature (°C) 1680 9@8'*a{`m
Working Point (°C) 1252 4\E1M[ 6
Softening Point (°C) 820 ± 10 Qp9QS yMs}
Annealing Point (°C) 560 ± 10 /?NfU.+K
Stress Point (°C) 510 ± 10 v7/k0D .
Surface Tension (dyn/cm) 340-350 (1252 °C) sI6I5
Dielectric constant (1MHz, 20°C) 4.6 Z*n4$?%W
Dielectric loss (1MHz, 20°C) 37 x 10-4 .% +anVXS
Dielectric strength (50MHz, 25°C) Kv/mm 16 h_Ssm{C\
Color Code (λ5/λ80) 297.6/337.2 \d baY: (
Volume Sensitivity (log ρ) hU3sEOm>
250°C `CRF E5
350°C [A'e7Do%'
8.0 ftz-l&5
6.5 `! xI!Y\
Environmental Protection Pb < 50 ppm y eam-8
As < 5 ppm RivhEc1h%
Cd < 5 ppm L2c\i
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