Medical Grade Plastic – ZELUX GS POLYCARBONATE Gamma Stabilized

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.

Zelux GS - Modern Plastics

Zelux GS – Medical Grade


The following physical property information is based on typical values of the base polycarbonate resin.

Westlake ZELUX® GS POLYCARBONATE –  Text Data Sheet

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 a blue tint (custom tints and opaques available).

*In addition to our standard capabilities, Westlake also has the ability to process custom registered various sizes and colors with some exceptions.

Zelux® GS is a registered trademark of Westlake Plastics Co.

Mechanical Properties Test Method Result
  Metric English
Flexural Modulus ASTM D790 2344 MPa 340 kpsi
Flexural Strength at yield ASTM D790 98 MPa 14.2 kpsi
Hardness-Rockwell R ASTM D785 R118 R118
Izod Impact Strength Notched at 73 ºF ASTM D256 9.1 J/cm 17 ft·lb/in
Izod Impact Strength Un-notched ASTM D256 32 J/cm 60 ft·lb/in
Tensile Elongation at break ASTM D638 135 % 135 %
Tensile Strength at break ASTM D638 69 MPa 10 kpsi
Tensile Strength at yield ASTM D638 62 MPa 9 kpsi
Other Properties Test Method Result
  Metric English
Specific Gravity ASTM D792 1.2 1.2
Thermal Properties Test Method Result
  Metric English
Coefficient of Thermal Expansion ASTM D696 6.8 x 10-5 m/m/ºC 3.8 x 10-5 in/in/ºF
Heat Deflection Temp. at 66 psi ASTM D648 138 ºC 280 ºF
Heat Deflection Temp. at 264 psi ASTM D648 132 ºC 270 ºF

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