PT ZONE: Stretch Blow Molding

Why & When Should You Re-Crystallize PET Scrap?
Whether you’re blow molding PET bottles or extruding APET sheet, you’ll produce amorphous scrap in the process. How you handle it will impact your production costs. Re-crystallizing it will help. More (+)
Speed to Market: Pretium Stays Light on Its Feet And Ahead of the Pack
A visit to its largest PET plant illustrates how this versatile blow molder leverages design skills, a can-do attitude, and a high degree of production flexibility to supply custom products in ever-shorter time windows. A new thrust into automation will help pick up the pace. More (+)

MOST RECENT CONTENT: Stretch Blow Molding

‘China Is No Longer Cheap’

When I spoke with Scott Huff about his China-based company’s plans to open a new production facility in the U.S., he was actually getting ready to board a flight to Shenzhen.

Ultra-Light PET Bottle Expands Range for Hot-Fill

Hot-fill PET bottles now approach aseptic bottle weights.

Coca-Cola Debuts First 100% Biobased PET Bottle

A prototype that's still five years away from full commercialization.

BLOW MOLDING: Monitor & Control PET Bottle Crystallinity & Barrier Properties

New QC functions predict shelf-life performance and help optimize physical properties based on crystallinity/orientation.

Colored PET: Pretty To Look At; Headache For Recyclers

Plastics Recyclers of Europe believes that 'colorful’ future trends will weaken the image of PET as a recycled product.

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Stretch Blow Molding


Stretch blow molding is the common method for producing soda bottles. The process begins with an injection molded perform. The perform is typically pre-heated then stretched in the axial direction and blown into its final shape by a stretch blow molding machine.

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