Customization: | Available |
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Certification: | CE, ISO, BV |
Application: | Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass, Astronomy, Medicine, Biology, Communication, Milit |
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Model | Hydroxyl (OH) content |
FS800 | OH≥800ppm |
FS200 | OH≤200ppm |
FS20 | OH≤20ppm |
FS1 | OH≤1ppm |
Model | FS800 | FS200 | FS20 | Viscosity |
Softening point* | 1585°C | 1627°C | 1627°C | 107.6 poise. |
Annealing point* | 1042°C | 1180°C | 1180°C | 1013 poise. |
Strain point* | 893°C | 1068°C | 1068°C | 1014.5 poise. |
Specific heat | 0.770 J/(g K) | |||
Thermal Conductivity | 1.38 W/(m K) | |||
Thermal diffusivity | 0.0075 cm2/s | |||
Coefficient of thermal expansion* * (ppm / C) | 5°C~35°C | 0.52 x 10-6 | ||
0°C~200°C | 0.57 x 10-6 | |||
-100°C~ +200°C | 0.48 x 10-6 | |||
ASTM PROGRAMM * C-598, * * E-228 |
All values are within 25 unless otherwise specified °C | |
Young's modulus of elasticity | 73 GPa |
Shear modulus | 31 GPa |
Modulus of rupture/ wear | 52.4 MPa |
Bulk modulus of elasticity | 35.9GPa |
Poisson's ratio | 0.16 |
Density | 2.20 g/cm3 |
Knoop Hardness (100g load) | 522 kg/mm2 |
Tensile strength | 54 MPa |
Compressive strength | 1.14 GPa |
Take FS200 Oh < 200ppm as an example | |||
Measuring Accuracy:±1x10-6 | |||
Wavelength (nm) |
Refractive index n (25°C) |
Refractive index n (20°C) |
Refractive index n (20°C,dn/dt) |
365.015 ni | 1.474710 | 1.474655 | 11.3 |
404.656 nh | 1.469786 | 1.469731 | 11.0 |
435.835 ng | 1.466860 | 1.466807 | 10.7 |
486.133 nF | 1.463293 | 1.463240 | 10.5 |
546.075 ne | 1.460245 | 1.460194 | 10.2 |
587.562 nd | 1.458631 | 1.458580 | 10.3 |
656.273 nC | 1.456535 | 1.456484 | 10.1 |