TDI
Static Dissipative Acrylic ESD / Cleanroom Properties
Reference ESD Association: www.esda.org |
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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
seconds 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:
- Acrylic plastic is a combustive
thermoplastic. Avoid exposure to flame and excessive heat.
Observe fire precautions appropriate for comparable forms of wood and
paper.
- 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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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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