Zelux® GS
(polycarbonate - gamma stabilized)
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Download Product Brochure (19kb - pdf)
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Medical grade Zelux GS polycarbonate is produced from resin formulated to meet the stringent
performance characteristics and requirements of the healthcare industry. Suitable for EtO gas and
limited autoclaving sterilization, the resin also has proprietary color enhancement technology to
reduce color shift caused by gamma radiation.
The following physical property information is based on typical values of the base polycarbonate
resin.
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| Mechanical Properties |
| Property |
Units |
Test |
Result |
| Flexural Modulus |
psi |
ASTM D790 |
340,000 |
| Flexural Strength @yield |
psi |
ASTM D790 |
14,200 |
| Hardness-Rockwell R |
- |
ASTM D785 |
R118 |
| Izod Impact Strength Notched @ 73°F |
ft·lbs/in |
ASTM D256 |
17.0 |
| Izod Impact Strength Un-notched |
ft·lbs/in |
ASTM D256 |
60.0 |
| Tensile Elongation @break |
% |
ASTM D638 |
135.0 |
| Tensile Strength @break |
psi |
ASTM D638 |
10,000 |
| Tensile Strength @yield |
psi |
ASTM D638 |
9,000 |
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| Other Properties |
| Property |
Units |
Test |
Result |
| Specific Gravity |
- |
ASTM D792 |
1.20 |
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| Thermal Properties |
| Property |
Units |
Test |
Result |
| Coefficient of Thermal Expansion |
in/in/°F |
ASTM D696 |
3.8 X 10-5 |
| Heat Deflection Temp. @66 psi |
°F |
ASTM D648 |
280 |
| Heat Deflection Temp. @264 psi |
°F |
ASTM D648 |
270 |
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| Applications Include: |
| Surgical equipment |
| Instrument components |
| Housings and covers |
| Advantages of Zelux® GS: |
| Resin is USP Class VI compliant |
| Excellent impact resistance |
| Lot controlled and traceable |
| Easy to machine |
| Optical clarity |
| Manufacturing Capabilities: |
| Standard: |
| Rod: 1” to 11/2” diameter |
| Rod length: 48” |
| Non-Standard: |
| Rod: 3/8” to 6” diameter |
| Slab: 3/8” to 6” thick |
| Color/Grades: |
| Clear with blue tint (custom tints and
opaques available). |
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*In addition to our standard capabilities, Westlake also has the
ability to process custom resins in various sizes and colors
with some exceptions.
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Zelux® GS is a registed trademark of Westlake Plastics Co.
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