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High Strength-to-Weight Ratio

circumferential fiber surgical tubingPolyMed® Circumferential Fiber Orientation tubing utilizes multidirectional fibers oriented both helically and axially, with thermoset resin as the matrix. Our most popular product for medical device applications, PolyMed CW tubing provides a high strength tube with an excellent balance between rigidity and circumferential properties.

circ wound illustrated

Key Features

  • High strength-to-weight ratio
  • Improved hoop strength
  • Outstanding dielectric properties
  • Electromagnetically transparent
  • Proven bio-compatibility
  • ISO 10993 compliant
  • Non-reflective characteristics
  • Compatible with conventional sterilization processes

Circumferential Fiber Properties

Technical Specifications

Technical Specifications

Tensile Strength ASTM D638 75 ksi
Tensile Modulus ASTM D638 5.0 msi
Flexural Strength at 25 Degrees C ASTM D790 60 ksi
Flexural Modulus at 25 Degrees C ASTM D790 4.0 msi
Dielectric Strength 400 V/mil
Water Absorption as % weight produced 0.1
Dielectric strength after 16 hours water soak 250 V/mil
Dielectric strength after 20 autoclave cycles and 16 Hour water soak 150 V/mil

Dielectric Strength Disclaimer

Listed dielectric strength is based on laboratory testing a typical application with a 2X safety factor. Variations in desired safety factor, final product construction and geometry will impact these properties. Figures are provided as-is for initial consultation purposes. Machining and device components may alter these properties. Testing of final assemblies is the customer's responsibility for their application. Polygon especially recommends testing for all electrosugical devices.


Disclaimer

Any ratings are typical for design purposes. Your design parameters may affect final ratings. Consult with a Polygon sales engineer for guidance. Final testing and approval is the customer's responsibility for their application. This information is derived from our testing and published data. There is no assurance of these properties, or warranty provided that these products are suitable for any particular purpose or operational situation.

Polygon certifies that their product will be free from material defect. Polygon will not accept any liability for loss, damages, or costs from use or misuse of our products.

Specifications are subject to change, and may be affected by our continual process of improvement. Changes may be made without prior announcement.

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