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Common Tests: Bursts

Pressure testing until the point of explosion is an effective way to determine the integrity of bottles

Why burst test?

By periodically testing a sampling of bottles from each batch, one can efficiently check for issues in the blowing phase of bottle production. 

Parameters than can affect the strength of a PET bottle include the PET resin used, the chosen moulding melt temperature, and the intrinsic viscosity (IV) of the bottle. 

The process of filling bottles on a line also exerts pressure, underlining the importance of knowing for certain the quality of the bottles used. 
What burst test options are there?
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Plastic bottles can be safely burst-tested off the production line with the PBBT-1 Plastic Bottle Burst Tester. 

Glass bottles can be tested off-line with the GBBT-1 Glass Bottle Burst Tester.

The fill ramp mode is a commonly used procedure for pressure-testing both bottle materials. Designed to simulate conditions under filling lines, the test involves the following:
  1. Bottle is rapidly pressurized to an initial preset level
  2. Pressure is held for preset duration (eg. 13 seconds)
  3. Bottle is further pressurized (at 0.1 bar/sec) until burst; explosion pressure level is recorded

For fully-automatic on-line bottle pressure testing, custom options are available.
Article from 'The Verge': SodaStream bottles recalled for potentially exploding under pressure
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PBBT-1 | Plastic Bottle Burst Tester
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GBBT-1 | Glass Bottle Burst Tester

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  • HOME
  • HOME
  • Products
  • REFERENCES
  • RESOURCES
    • PET Bottle Testing
    • Common Tests: Bursts
    • CFR 21 Compliance
    • Conversion tables
  • Store
  • Contact
  • Productos
  • Referencias
  • RECURSOS
    • CFR 21 Conformidad
    • Tablas de conversión
  • Contacto