| rags_to_rings |
2023-04-10 16:54 |
Refractive index (nd) 1.47200 b1+6I_u.
Dispersion (nF- nC) 0.00719 `
=ocr8c
Coefficient of Linear thermal expansion (x10-6/°C) 3.25 {u !Q=D$3
Thermal conductivity (W/(m * °C)) 1.14
Zl ,c+/
Average thermal capacity (KJ/ (kg * °C)) 0.83 7
s+j)
Maximal operation temperature (°C) #Z;6f{yWf
Short Term W& M=%
Long Term XKp$v']u
Thermal stability K4T#8K]aZF
500 Q1ox<-
450 fPXMp%T!
375 g/*x;d=
Density (g/cm3) 2.23 n oWjZ
Elastic modulus E (kN/mm3) 64 0[A4k :
Hardness (HK) 480 9NUft8QB
Poission's Ratio 0.2 By3y.}'Ub9
Climatic resistance (ISO - 719 - HGB) Grade 1 ZD$W>'m{F
Acid resistance Grade 1 }s*H| z
Alkali resistance Grade 1 +f5|qbX/\
Melting temperature (°C) 1680 hbZ]DRg
Working Point (°C) 1252 ^pI&f{q
Softening Point (°C) 820 ± 10
ywQ>T +
Annealing Point (°C) 560 ± 10 4}i2j
Stress Point (°C) 510 ± 10 x" N{5
Surface Tension (dyn/cm) 340-350 (1252 °C) \o|5 /N
Dielectric constant (1MHz, 20°C) 4.6 _ :R Q9x'
Dielectric loss (1MHz, 20°C) 37 x 10-4 :S['hBMN
Dielectric strength (50MHz, 25°C) Kv/mm 16 `/|S.a#g
Color Code (λ5/λ80) 297.6/337.2 B: '}SA{
Volume Sensitivity (log ρ) tx$i(
250°C l7{]jKJu e
350°C +&AKDVmx
8.0 C(w?`]Qs
6.5 Vki'pAN
Environmental Protection Pb < 50 ppm v ~l_6V}
As < 5 ppm 33R1<dRk
Cd < 5 ppm tQ:g#EqL9B
|
|