Practice question
A beverage manufacturer selects Polyethylene Terephthalate (PET) bottles over glass for carbonated soft drinks. The primary technical reason for this choice is that:
- 1PET is completely impermeable to oxygen.
- 2Glass reacts chemically with CO2.
- 3PET is lightweight and has adequate CO2 barrier properties for required shelf life.✓
- 4PET has absolute gas barrier properties.
Correct answer
PET is lightweight and has adequate CO2 barrier properties for required shelf life.
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