Diameter[鐩村緞] |
3.18mm |
Grade[绛夌骇] |
Torlon? 4203L |
Quantity[鏁伴噺] |
20 Piece - 200 Piece |
Sphericity[鐞冮潰] |
25.4渭m |
Type[绫诲瀷] |
Precision Sphere |
Physical Properties(鐗╃悊鎬ц川) |
Density ( g cm?? ) |
1.420 - 1.460 |
Flammability |
V-0 |
Limiting oxygen index ( % ) |
44 - 45 |
Radiation resistance |
Good |
Resistance to Ultra-violet |
Good |
Water absorption - equilibrium ( % ) |
3.00 - 4.00 |
Water absorption - over 24 hours ( % ) |
0.300 |
Chemical Resistance(鑰愬寲瀛︽€? |
Acids - concentrated |
Fair-Poor |
Acids - dilute |
Fair |
Alcohols |
Good-Poor |
Alkalis |
Poor |
Aromatic hydrocarbons |
Good |
Greases and Oils |
Good |
Halogenated Hydrocarbons |
Good-Poor |
Halogens |
Good-Poor |
Ketones |
Good |
Mechanical Properties(鏈烘鎬ц兘) |
Elongation at break ( % ) |
7.0 -15.0 |
Hardness - Rockwell |
E72-86 |
Izod impact strength ( J m?? ) |
60.0 - 140.0 - Notched |
Poisson's ratio |
0.380 |
Tensile modulus ( GPa ) |
4.50 - 6.80 |
Tensile strength ( MPa ) |
110.00 - 190.00 |
Thermal Properties(鐑€ц兘) |
Coefficient of thermal expansion ( x10?? K?? ) |
25.000 - 31.000 |
Heat-deflection temperature - 1.8MPa ( C ) |
278.0 - 9.0 |
Lower working temperature ( C ) |
<= -200 |
Specific heat ( J K?? kg?? ) |
1000.0 |
Thermal conductivity ( W m?? K?? ) |
0.26 - 0.54 @23鈩傸/td> |
Upper working temperature ( C ) |
200 - 260 |
Electrical Properties(鐢垫皵鐗规€? |
Dielectric constant @1MHz |
4 - 5 |
Dielectric strength ( kV mm?? ) |
23.0 at 1mm |
Dissipation factor @ 1MHz |
0.0300 - 0.0420 |
Surface resistivity ( Ohm/sq ) |
8-50x10?? |
Volume resistivity ( Ohmcm ) |
0.08-2x10?? |
Pultrusion(鎸ゆ媺鎴愬瀷) |
Compressive strength ( MPa ) |
170 -220 |