Stress Crack Test
Stress Crack Test
type
laboratory
production
iran
brand
Persia electronics industry
Category
Check and test
Application
PET preform and bottle
Technical specifications
- Test pressure: 0 to 6 bar
- Test pressure accuracy: ±0.5% F.S
- Display resolution: 0.2 bar
- Pressure units: bar/psi
- Sample range: 60 to 125 mm diameter / 160 to 350 mm height
- Bottle size: 250 to 2500 cc
- Recommended solution: 0.2% sodium hydroxide (NaOH) solution
- Recommended operating temperature: 5 to 50 ° C
- Air inlet: 7 to 8 bar (air inlet ≥ maximum test pressure)
- Net weight: 10 kg
- Dimensions (height,
- Number of bottles per test: 8
Capabilities
- Ability to test one to eight bottles simultaneously and separately
- Special bottle diameter (for 1000 cc capacity bottles)
- Easy preparation
- Adjustable pressure regulator to increase test accuracy
- Plexiglass and polycarbonate body frame resistant to corrosion
- Use of transparent chassis for better viewing during testing
Device definition
With the help of this device, the level of resistance to sodium hydroxide attack, which causes cracking and fracturing of the bottle, can be examined.
Description
Hydroxide ions are the main cause of stress cracking in PET bottles, so this device is designed to measure the resistance of the bottom of the bottle. The accumulation of material at the bottom of the bottles makes them brittle, and most of the waste in carbonated products comes from this point.
