Static Dissipative Acrylic ESD / Cleanroom Properties |
Reference
ESD Association: www.esda.org |
Static Dissipative Desiccators |
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FEATURES AND BENEFITS:
- Cannot be tribocharged when properly grounded.
Prevents build-up of static charge and accumulation of harmful contamination.
- Electrostatic decay in less than 0.05 second per Federal Test Standard 101C, Method 4046.1*.
Results in rapid static dissipation without arcing.
- Surface resistivity of 106 - 108 ohms per square. Provides ESD control in a wide range of applications.
- Permanence in static dissipation performance. Avoids high maintenance cost of periodic application of temporary topical anti-stats.
- Amine free, humidity independent and does not outgas under normal operating conditions.
- Excellent optical properties. C-300 surface provides excellent clarity for optimum use of available light.
- Superior chemical resistance. Reduces risk of solvent and chemical damage to the static dissipative surface.
PRECAUTIONS:
1. Acrylic plastic is a combustive thermoplastic. Avoid exposure to flame and excessive heat.
Observe fire precautions appropriate for comparable forms of wood and paper.
2. Clean with soap and water. Do not use abrasives. Avoid inappropriate contact with solvents. |
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Static Dissipative
Acrylic for ESD and Cleanroom Applications
Typical Physical Properties (Typical but not Guaranteed for 0.25 inch
Material) |
| PROPERTY |
TEST METHOD |
UNITS |
AC-300 ACRYLIC |
| PHYSICAL |
| Specific Gravity |
ASTM D-792 |
- |
1.19 |
| Pencil Hardness |
ASTM D-3363 |
Hardness Scale |
5H |
| |
| MECHANICAL |
| Tensile Strength |
| Ultimate |
ASTM D-638 |
psi |
10,000 |
| Elongation |
ASTM D-638 |
% |
4.5 |
| Tensile Modulus |
ASTM D-638 |
psi |
400,000 |
| Flexural Strength |
ASTM D-790 |
psi |
16,500 |
| Flexural Modulus |
ASTM D-790 |
psi |
475,000 |
| Compressive Strength |
ASTM D-695 |
psi |
18,000 |
| Izod Impact Strength |
ASTM D-256 |
ft-lb/inch of notch |
0.4 |
| |
| THERMAL |
| Deflection Temperature (264
psi Load) |
ASTM D-648 |
F |
205 |
| Vicat Softening Point |
ASTM D1525 |
F |
239 |
| Maximum Continuous Service
Temperature |
- |
F |
170 |
| Coefficient of Thermal
Expansion |
ASTM D-696 |
in/in/F |
4.0 x 10 |
| Coefficient of Thermal
Conductivity |
Cenco-Fitch |
BTU/hr-fz F/in |
1.3 |
| |
| FLAMMABILITY |
| Horizontal Burn (Flame Spread) |
ASTM D-635 |
in/min |
1.1 |
| UL Rating |
UL Classification |
UL94 |
94HB |
| |
| OPTICAL |
3mm Transparent Clear
Transmittance - Total |
ASTM D-1003 |
% |
9 |
| Haze |
ASTM D-1003 |
% |
94HB |
| |
| ELECTRICAL |
| Surface Resistivity |
ASTM D-257 |
ohms/sq. |
106-108 |
| Electrostatic Decay |
FTS 101C, Method 4046.1 |
sec |
Less than 0.05 |
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Federal Test Standard 101C, Method 4046.1 as described in EIA-541, Appendix F, Measurement of Electrostatic Decay Properties of Dissipative Planar Materials. |
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Chemical Resistance
ASTM D-543
(Samples immersed in the specified chemicals for 24 hours at room
temperature and visually examined.) |
| CHEMICAL |
SURFACE
ATTACK |
VISUAL
EVALUATION |
| De-Ionized
Water |
None |
Clear |
| 30%
Sodium Hydroxide |
None |
Clear |
| 30%
Sulfuric Acid |
None |
Clear |
| 30%
Nitric Acid |
Slight
Pitting |
Clear |
| 48%
Hydrofluoric Acid |
Severe
Attack |
White,
Rubbery |
| Methanol |
Slight |
Hazy |
| Ethanol |
None |
Clear |
| Isopropyl
Alcohol |
None |
Clear |
| Acetone |
Severe
Pitting |
Clear |
| Methylene
Chloride |
Sample
Dissolved |
Sample
Desolved |
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Desiccator
Care & Use | Acrylic
Material Datasheet | Static
Dissipative Acrylic Datasheet
| Reduce
Nitrogen Consumption |
|
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