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Stretch blow molding machines are specialized equipment used to produce plastic containers and bottles by stretching and blowing thermoplastic materials, typically PET (polyethylene terephthalate). These machines operate by heating pre-formed plastic preforms, then stretching them in both axial and radial directions to form the desired shape. The process results in lightweight, strong, and transparent products that are widely used in various industries.
| Material processed | PET, PP, and other thermoplastics |
| Production capacity | Up to 2,000 bottles per hour |
| Bottle volume range | 100 ml to 5 liters |
| Heating method | Infrared or convection heating |
| Number of cavities | 1 to 16 cavities |
When selecting a stretch blow molding machine, consider the type of material you will be processing and the desired production capacity. Specify the bottle sizes and shapes you require, as well as any specific features like automated handling systems. Additionally, inquire about the machine's energy efficiency and maintenance requirements. Certifications for safety and quality standards may also be relevant depending on your industry.
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Primarily PET, but also PP and other thermoplastics.
Production speeds can reach up to 2,000 bottles per hour.
Yes, they can produce a range of bottle sizes from 100 ml to 5 liters.
Infrared and convection heating methods are commonly used.
Machines typically have between 1 to 16 cavities.
Industries include beverages, personal care, household cleaning, pharmaceuticals, and food packaging.