PETG is a clear transparent sheet made from thermoplastic polyester. It is one of the most respected and trusted plastic sheets around. It offers extreme clarity and light transmission in combination with a high gloss surface finish. PETG sheets have very good impact resistance, even at low temperatures, and are approved for food contact applications. PETG sheet has outstanding thermoforming properties, combining low energy consumption, short production cycles, extreme draw ratios and good mould reproduction without the need for pre-drying. PETG is easy to screen print, and offers ease of fabrication. PETG sheets are easy to print, making it ideal for advertising and signage industry. It is a versatile material and can be used for a number of different applications including glazing, sign making, displays, protective screens thanks to its impact resistance e.g. motorcycle screens. UV resistant grades of PETG are available for outdoor applications requiring protection against weathering effects.
PETG can also be fabricated using a number of techniques such as vacuum forming, hot and cold line bending, drilling and milling. PETG sheet is available cut to size.

PETG Sheet Characteristics:

PETG is widely used for:

PETG
Colours Can be coloured depending on costs and production runs.
Costs An affordable material, PETG costs greatly depend on the application of the material.
Production Issues Cannot be polished, it can also yellow around the edges if improper lasers are used. Proper laser use results in shiny edges. Also, bonding requires proper agents.
Scratches PETG is softer than acrylic and can be scratched easier.
Stability PETG is strong and does not break easily. A stable material suited for long term use. Also more forgiving that acrylic.
Cleaning PETG can be cleaned in much the same way as acrylic. Alcohol-based cleaners are not advised, cracking will become more evident.
Which Looks Better For POS PETG is strong but more prone to scratching and in heavy traffic areas. Has a slight tint.
Strength PETG is 5 to 7 times stronger than acrylic and resists better to impact damage and drops.
Food Food grade is possible. Manufacturing process needs to be considered.
Lifetime / Durability PETG is considered difficult (but not impossible) to break under normal circumstances. Also remains less brittle for longer than acrylic.
Environmental PETG is recyclable (as long as it's not printed on) and biodegrades.
Drawbacks When compared to acrylic it is more prone to scratching and cannot be polished.
TYPICAL PROPERTIES OF GLYCOL MODIFIED POLYESTER TEREPHTHALATE (PETG)
Property                                                        Values
PHYSICAL
Specific gravity (g/cm3 ) 1.27
MECHANICAL
Tenselle strength (psi) 3,800
Elongation at break (%)  
At.120° thickness 54
At.080° thickness 210
Flexural strenght (Mpa) 77
Flexural Modulus (Mpa) 3.12*105
Unnotched impact (J/m) No break
Notched impact (J/m) 88
Hardness,Rockwell R 106
THERMAL
Deflection tempreture (°F)  
At 66 psi 158
Vicat softening point (°F) 185
Glass transition temperature (°F) 178
Coefficient of linear thermal expansion
(mm/mm-°C) 		  5.1*10-5
Flammability  
At . 125° thickness 94 V-2
At . 045° thickness 94 HB
Oxygen index (%) 24
ELECTRICAL
Dlelectric strength (kV/mm) 16.1
Dlelectric constant  
At 1 kHz 2.6
Dissipation factor  
At 1kHz 0.005
Volume resistivity (ohm-cm) 1015
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Frequently Asked Questions

Frequently Asked Questions

What are PETG sheets used for?

PETG (Polyethylene Terephthalate Glycol) sheets are a versatile plastic material used in various applications, including:

  • Food packaging: PETG sheets meet food safety regulations, making them suitable for containers and displays.  
  • Thermoforming: They can be easily molded into custom shapes for diverse applications.  
  • Signage and displays: PETG offers good clarity and can be printed on for signage.  
  • Machine parts: Its durability makes it suitable for non-critical machine components.  
  • Protective applications: PETG sheets can act as protective barriers or shields.
  • 3D printing: A popular filament choice for 3D printing due to its strength and printability.
Is PETG better than acrylic?

There's no single "better" material. Both PETG and acrylic have their strengths and weaknesses depending on the application:

  • PETG: More impact-resistant, good chemical resistance, good printability (3D printing).
  • Acrylic: Superior clarity, easier to machine/cut, excellent weather resistance.
What is the full form of PETG?

PETG stands for Polyethylene Terephthalate Glycol.

What is the benefit of PETG?

PETG offers a combination of benefits, including:

  • Strength and impact resistance: Ideal for applications requiring durability.  
  • Good chemical resistance: Suitable for use with various chemicals.  
  • Food safety: Can be used for food contact applications.  
  • Thermoformability: Can be easily molded into different shapes.  
  • Versatility: Used in various applications from packaging to 3D printing.  
What is the best use of PETG?

The "best" use depends on your specific needs. PETG excels in applications where impact resistance, chemical resistance, and food safety are important. It's also a popular choice for 3D printing due to its printability and strength.