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PETG / Vivak®

PETG / Vivak®

IPS-acrylic

PETG – Polyethylene Terephthalate Glycol

Tough clear plastic sheet, used frequently in vacuum forming

PETG is a plastic resin of the polyester family that is used to make thermoforming applications. PETG is a clear resin that can be extruded into sheets. One of the most common applications of this plastic is in POP Displays, molds (food, candy, soap, candle), medical face shields, and more commonly seen in drinking water bottles.

Why you should use PETG:

  • Has excellent bending and Vacuum form properties
  • Is very easy to fabricate
  • Excellent impact strength
  • Standard material is not UV stabilized
  • Tougher than Acrylic, but not quite as impact resistant as Polycarbonate
  • PETG is ITAR compliant, and PETG is RoHS compliant
  • Formerly called Vivak® Sheet, Spectar®, Ultros® or Copolyester Sheet
  • PETG is the abbreviation for Polyethleneterephtalate Glycol

Formed and cut PETG sheet, Vivak, Copolymer Part

PETG material is an excellent material for fabrication of Point-of-Purchase (POP) displays, forming of 3-D parts and and bending.

  • Excellent fabrication
  • Low cost material with high impact strength
  • Easy to form, punch, rivet and cut
  • Paintable, printable, and silk screens wellVacuum Formed PETG sheet Part

Material Available As:

Thin Sheet and Sheets:

.020″ -.500″ Thickness in 48″ X96″ Sheets

Film: Special Order – Please call with your Requirements

PETG - Vivak Typical Resin Properties

These properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed nor implied.

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Looking For Vacuum Forming (Formable) Plastics

Looking For Vacuum Forming (Formable) Plastics

“What is a good material for vacuum forming?”

This is a popular question received from clients. This question has a rather long answer. Most Thermoplastic materials are thermo-formable, and thus vacuum forming compatible. Some of the most common and easier materials for forming are listed below.vacuum forming polycarbonate for food and chocolate molds

Common Vacuum Forming Materials:

Each plastic material has a variety of different properties, and they form at different temperatures. The Acrylic, PETG and Polycarbonate sheets are normally clear (can be special ordered in colors), however the Polycarbonate may have to be heat dried prior to the vacuum forming temperature phase (depending on thickness).
ABS and HIS both form very well, and are normally White or Black. The ABS normally has a fine texture called Hair Cell on the primary surface, the Styrene is smooth on two sides. On a special basis Styrene and ABS can be run in almost any thickness up to .375″ thick, and in almost any color (minimums apply) and in a huge range of custom run sheet sizes.
While many other materials may be available for special applications and with various improved properties, these are the most commonly available and used materials.
Some of the important factors in choosing a material for your vacuum forming project would be: clarity, strength of finished part, temperature, depth of draw, UV resistance, Flame Retardant Rating, thickness and size range.

Large parts can be produced using this process, for example – Hot Tubs and Pick Up Truck Bed Liners. Also vacuum forming is used to produce very small parts like chocolate molds and numerous packaging applications.Pouring White Chocolate into Polycarbonate Mold

Most vacuum forming started in their garage (or kitchen). A simple vacuum forming ‘machine’ can be produced at very low cost using 2 X 4 wood, peg board, and your shop vac. Obviously this is not the way the above hot tub was formed, but the process is rather simple and is much more an art than a science. We have seen several YouTube videos showing entry level – DIY style vacuum forming machines.  Most use the kitchen oven as the heat source and are used to make small chocolate molds, wax molds, hobby parts and more. Many materials can be used in this simple process, and we are happy to assist you with your basic questions of the vacuum forming process.
There are also a wide range of commercial thermoforming machines (see video) available, in almost unlimited range of sizes.

There is a wide array of materials that can be used, and they have different properties – no one material meets all your needs. Contact us for details on your vacuum forming requirements or with question.