Co-Polyester (PETG, VIVAK)

FORMING TEMPERATURE
  • 325°F -350°F - Upper Limit on Cast = 335°
DESCRIPTION
  • Clear
SHRINKAGE
  • Minimal – 1%
SELF ADHESIVE
  • Moderate, not dependable under stress.
FEATURES
  • Commonly used as initial or temporary check socket material for prosthetic sockets. All sockets using this material must be reinforced prior to dispensing and should be identified as having a very limited life expectancy when under repetitive loads.
  • Formed seams are not dependable and should be sealed and or mechanically reinforce before being dispensed.
  • A thin bubble formed PETG interface is sometimes laminated over to enhance vacuum assisted socket suspension systems. The theory is that co-polyester offers a smoother interface surface and is less gas permeable than the common laminations being used.
  • This material processes optimally on a suspended woven Teflon cloth material which allows the material to heat more evenly from all sides. This will increase the window of time the fabricator has before the material begins to break down (bubbles out) as it often does when using a “cookie sheet” / a closed Teflon cover.
  • While not common, most protective films on PETG can be left on while processing. The film will act as a separator once the material has cooled. Trimming edges of the film will allow for a good forming seal on the bare material being formed. Make sure to ask your supplier if the film provided is compatible with this processing technique.
  • Holes drilled in this material should have their edges relieved or slightly countersunk to try to prevent the hole from cracking at an attachment point.
  • Co-Polyester that has begun to degrade (“bubble out”) should never be used for any check socket application. Catastrophic failure could create an injury that was preventable

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SKU SizeColor UOM
 PETG181616C 1/8" x 16" x 16"Clear Sheet
 PETG182C 1/8" x 24" x 48"Clear Sheet
 PETG184C 1/8" x 48" x 48"Clear Sheet
 PETG3161616C 3/16 x 16'' x 16''Clear Sheet
 PETG3161648C 3/16 x 16'' x 48''Clear Sheet
 PETG3162C 3/16" x 24" x 48"Clear Sheet
 PETG3164C 3/16" x 48" x 48"Clear Sheet
 PETG141212C 1/4" x 12" x 12"Clear Sheet
 PETG142C 1/4" x 24" x 48"Clear Sheet
 PETG144C 1/4" x 48" x 48"Clear Sheet
 PETG381616C 3/8" x 16" x 16"Clear Sheet
 PETG382C 3/8" x 24" x 48"Clear Sheet
 PETG384C 3/8" x 48" x 48"Clear Sheet
 PETG121212C 1/2" x 12" x 12"Clear Sheet
 PETG121616C 1/2" x 16" x 16"Clear Sheet
 PETG124C 1/2" x 48" x 48"Clear Sheet

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