Surlyn®

Surlyn® is Widely Used For:

  • Cranial helmets
  • Face masks for sports and burns
  • Upper limb orthoses
  • Upper and lower extremity orthotics
  • Scoliosis braces and body jackets
  • Flexible prosthetic sockets
  • Check sockets

Performance Characteristics:

  • Excellent drape forming and blister forming characteristics
  • Good Impact resistance
  • Good seaming characteristics
  • Good clarity
  • Good fatigue resistance
  • Outstanding thermoforming characteristics

Common Brands:

  • Surlyn®


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Surlyn®

Soft, clear polymer is tough and durable with excellent thermoforming and impact characteristics

For Prosthetics– Surlyn® can be used as an evaluation interface or definitive transfemoral flexible interface (check socket). 

For Orthotics– Surlyn® can be used for spinal upper limb orthoses, burn masks and helmets.

Tech Tip– Can be challenging to edge finish due to the low melting temperature of the material.

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STANDARD SIZES
SHEET Dimensions:
12 in x 12 in – 48 in x 96 in
Thickness:
0.125 in – 0.500 in
OPTIONS AVAILABLE
COLOR Clear
Texture, Surface, Pattern Smooth

Length, width, thickness, and diameter tolerances vary by size, by manufacturer, brand, and grade. Custom sizes available upon request.

 

Typical Properties of SURLYN®
  UNITS TEST METHOD SURLYN®
Specific gravity   ASTM D792 0.94 - 0.97
Hardness Shore D ASTM D2240 39 - 68
Flex modulus room temp, kpsi ASTM D790 4.3 - 75
Tensile strength kpsi ASTM D638 2.1 - 5.4
Elongation at break % ASTM D638 285 - 660
Melting point °C / °F DSC* 70°C - 100°C
158°F - 212°F
Freeze point °C DSC* 37 - 69
Optical haze 0.25 in.(6.4 mm) ASTM D1003A 4 - 27

* As determined by differential scanning calorimetry

Values may vary according to brand name. Please ask your Curbell Plastics representative for more specific information about an individual brand. 

Need more information about this material? Use our interactive plastic properties table