Materials Data
MECHANICAL DATA OF FUSED SILICA
| Density (g/cm 3 ) |
2.201 |
| Mohs Hardness |
5.5 |
| Micro Hardness |
5.5 |
| Young's Modulus (@ room temp |
71.0 GPa |
| Poisson's Ratio (@ room temp.) |
0.14 |
| Tensile Strength |
5.0 X 10 7 N/m 2 |
| Torisional Strength |
3.0 X 10 7 N/m 2 |
| Bending Strength |
6.0 X 10 7 N/m 2 |
| Torisional Modulus |
3.1 X 10 10 N/m 2 |
CURED FILM PROPERTIES OF POLYIMIDE
| Tensile Strength (kg/mm 2 ) |
13.1 |
| Elongation (%) |
10 |
| Modulus (kg/mm 2 ) |
245 |
| Stress (dynes/cm 2 ) |
2 - 3 |
| Moisture Uptake (%) |
0.14 |
| Dielectric Constant (at 1 kHz, 50% RH) |
3.3 |
| Dissipation Factor |
0.002 |
| Dielectric Strength (volts/mil) |
4000 |
| Volume Resistivity (ohm-cm) |
10 16 |
| Surface Resistivity (ohm |
10 15 |
| Coefficient of Thermal Expansion (ppm |
40 |
| Coefficient of Thermal Conductivity (cal/(cm)(sec)(°C) |
35 x 10 -5 |
| Glass Transition Temperature |
>320°C |
| Decomposition Temperature |
560°C |
| Weight Loss (% at 500°C, 120 min) |
2.9 |
| Specific Heat (cal/g/°C) |
0.26 |
| Refractive Index |
1.70 |
SELECTED PROPERTIES OF ACRYLATE
| Tensile Strength (kg/mm 2 ) |
2.9 |
| Elongation (%) |
70 |
| Elastic Modulus (kg/mm 2 ) |
17.34 |
| Secant Modulus (kg/mm ² ) at 23°C |
50 |
| Thermal Conductivity (MPa) |
|
| Coefficient of Expansion (mm/(mm x °C) in the glassy region |
50 |
| Maximum Safe Operating Temperature (deg C) |
85 |
| Refractive Index |
1.54 |
Note: Uncured material is basically a polydimethylsiloxane (PDMS) resin and a curing agent of similar chemical make-up with proprietary ingredients. No MSDS is being provided by the manufacturer; however it does not have any ingredients that would require hazard warning under the OSHA HAZARD COMMUNICATION STANDARD.
SELECTED PROPERTIES OF TEFZEL®
| Flexural Modulus, psi (ASTM D790) |
93,500 |
| Tensile Strength, psi (ASTM D1708) |
|
| @ 23°C (73°F) |
5,500 |
| @ 140°C (284°F) |
1,650 |
| @ 160°C (320°F) |
1,250 |
| @ 180°C (356°F) |
900 |
| @ 200°C (392°F) |
500 |
| Elongation, % (ASTM D1708) |
|
| @! 23°C (73°F) |
300 |
| @ 140°C (284°F) |
600 |
| @ 160°C (320°F) |
650 |
| @ 180°C (356°F) |
600 |
| @ 200°C (392°F) |
600 |
| Specific Gravity (ASTM D792). |
1.75-1.79 |
| MIT Flex Life |
120,000 |
SELECTED PROPERTIES OF NYLON
| Tensile E-Modulus, MPa, 1 mm/min (ISO 527) |
1100 |
| Tensile strength at yield, MPa, 50 mm/min (ISO 527) |
40 |
| Elongation at yield, (%), 50 mm/min (ISO 527) |
12 |
| Tensile strength at break, MPa, 50 mm/min (ISO 527) |
50 |
| Elongation at break, (%), 50 mm/min (ISO 527) |
> 50 |
| Impact strength, (kJ/m²) |
Charpy |
| @ 23°C (ISO 179/2-1eU) |
no break |
| @ -30°C (ISO 179/2-1eU) |
no break |
| Notched impact strength (kJ/m²) |
Charpy |
| @ 23°C (ISO 179/2-1eA) |
10 |
| @ -30°C (ISO 179/2-1eA) |
7 |
| Ball indentation hardness, MPa, (ISO 2039-1) |
70 |
SELECTED PROPERTIES OF HARD CLAD COATING
| Refractive Index @ 633 nm |
1.415 ± 0.005 |
| @ 852 nm |
1.409 ± 0.005 |
| Dynamic Mechanical Analysis |
|
| Max. Tan ? temperature |
94.9 ºC |
| Secant Modulus |
|
| @ 2.5 % Strain |
104.46 ± 10 kgf/mm 2 |
| Tensile Strength at Break |
4.41 ± 0.5 kgf/mm 2 |
| Elongation at Break |
22.98 ± 10 % |
CURED FILM PROPERTIES OF SILICONE
| Tensile Strength (kg/mm ² ) |
1.415 ± 0.005 |
| Elongation (%) |
1.409 ± 0.005 |
| Hardness , Shore A (JIS) |
. 4 |
| Young's Modulus...(kg/mm ² ) |
120 |
| Thermal Conductivity (W/cm.K) |
20 |
| @ 2.5 % Strain |
0.23 |
| Maximum Safe Operating Temperature ( deg C) |
200 |
| Refractive Index |
1.41 |
Note: Uncured material is basically a polydimethylsiloxane (PDMS) resin and a curing agent of similar chemical make-up with proprietary ingredients. No MSDS is being provided by the manufacturer, however it does not have any ingredients that would require hazard warning under the OSHA HAZARD COMMUNICATION STANDARD.
SELECTED PROPERTIES OF ALUMINUM (99.999% minimum PURITY)
| Tensile Strength (dynes/cm 2 ) |
4.74 x 10 8 |
| Elongation (%) |
48.8 |
| Young's Modulus (dynes/cm 2 ) |
6.89 x 10 11 |
| Poisson's Ratio |
0.33 |
| Melting Point (°C) |
660.3 |
| Boiling Point (°C) |
2519 |
| Density @ 25°C (g/cm 3 ) |
2.70 |
| Molten Density (g.cm 3 ) |
2.375 |
| Electrical Resistivity @ 300 K (RT) (10 -8 ohm .m) |
2.733 |
| Heat Capacity (J/g.K) |
0.897 |
| Coefficient of Thermal Expansion @ 300 K (K -1 ) |
23.2 x 10 -6 |
| Coefficient of Thermal Conductivity @ 273 K (W/cm.K) |
2.38 |
SELECTED PROPERTIES OF GOLD (99.999% minimum PURITY)
| Tensile Strength (dynes/cm 2 ) |
12.4 x 10 8 |
| Elongation (%) |
30 |
| Young's Modulus (dynes/cm 2 ) |
7.44 x 10 11 |
| Poisson's Ratio |
0.42 |
| Melting Point (°C) |
1064.18 |
| Boiling Point (°C) |
2856 |
| Density @ 25°C (g/cm 3 ) |
19.3 |
| Molten Density (g.cm 3 ) |
17.31 |
| Electrical Resistivity @ 300 K (RT) (10 -8 ohm .m) |
2.271 |
| Heat Capacity (J/g.K) |
0.129 |
| Coefficient of Thermal Expansion @ 300 K (K -1 ) |
14.1 x 10 -6 |
| Coefficient of Thermal Conductivity @ 273 K (W/cm.K) |
3.11 |
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