Commodity Plastics
PET Bottle Grade — Polyethylene Terephthalate for Bottle Applications
PET is a transparent, strong, and lightweight polyester widely used for beverage bottles due to its excellent clarity, gas barrier properties (CO2 retention), and shatter resistance. It provides good chemical resistance and is easily recycled.
PETPETG (for some grades)Skygreen
Manufacturers
3
Grades
3
Applications
4
Equivalents
2
Physical Properties
- Density
- 1.30-1.39 g/cm³
- Water Absorption (24h)
- 0.1-0.5 %
- Transparency
- Excellent
- Shrinkage
- 0.5-1.5 %
Mechanical Properties
- Young's Modulus
- 2.5-4.0 GPa
- Tensile Strength
- 50-70 MPa
- Elongation at Break
- 10-50 %
- Impact Strength (Izod)
- 30-60 J/m
Thermal Properties
- Glass Transition Temperature
- 65-85 °C
- Melting Point
- 250-260 °C
- Continuous Service Temperature
- 70-80 °C
- Heat Deflection Temperature
- 60-70 °C
Electrical Properties
- Dielectric Constant
- 3.0-3.2
- Volume Resistivity
- 10¹²-10¹⁴ Ω⋅cm
- Dielectric Strength
- 15-25 kV/mm
Chemical Resistance
- Acids
- Good resistance to dilute acids
- Bases
- Poor resistance to strong bases
- Solvents
- Insoluble in most solvents, but can be attacked by strong acids, bases, and chlorinated hydrocarbons
- UV Resistance
- Fair (requires stabilization)
Sustainability
- Recyclability
- Highly recyclable
- Recycling Code
- 1 (PET)
- Carbon Footprint
- Moderate
Manufacturing compatibility
Injection stretch blow moldingThermoforming
Applications
Beverage bottles
Food jars
Personal care containers
Films
Available grades
PET GRL 722PET R200PET 1120