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Blow Molding

A manufacturing process that is used to create hollow, thin-walled plastic parts.

Advantages

  • Tooling is cheaper than Injection Molding
  • Suitable for low and high production rates
  • Various types of materials to choose from
  • Flexibility for product revisions
  • Faster Cycle Time
  • One piece construction
  • No cores needed for irregular shapes
  • Excellent stress and crack resistance
  • Aluminum tools are less costly
  • High part performance under pressure

Thermoplastic Materials Used

  • Low Density Polyethylene (LDPE)
  • High Density Polyethylene (HDPE)
  • Polyethylene Terephtalate (PET)
  • Polypropylene (PP)
  • Polyvinyl Chloride (PVC)

Applications

Plastic, hollow, and thin-walled, such as bottles and containers that are available in a variety of shapes and sizes. Small products may include bottles for water, liquid soap, shampoo, motor oil, and milk, while larger containers include plastic drums, tubs, and storage tanks.

 

EXAMPLES

BLOW MOLDING

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