Advantages of different plastic bottles manufacturing process

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Advantages of different plastic bottles manufacturing process

In our previous post we explored different plastic bottles manufacturing processes. Let's explore deeper and understand the advantages and disadvantages for each.

Extrusion Blow Molding (EBM)

Advantages

Low initial mold tooling costs.
Flexibility of tooling; molds can accommodate interchangeable neck finishes.
Container sizes can range from less than 1 oz. to 55 gallons.
Container shape is not restricted. Bottles can be long and flat or have handles.
Wide selection of machinery. Tooling can be specifically geared to package volume requirements.

Disadvantages

Containers have flash that must be trimmed and relaimed.
Unit cost is significantly higher than injection blown bottles in less than 5 oz. capacity.
Operator skill is critical to control container weight and quality.

Injection Blow Molding (IBM)

Advantages

Scrap free process. Bottles require no trimming operation.
Neck finishes are injection molded (not blown)at a high level of accuracy.
Weight control is extremely precise and material distribution is uniform.
Unit cost is extremely low for small capacity containers (5 oz. or less).

Disadvantages

High tooling cost.
No mold flexibility.
Not economical over 16 oz. capacity.
Container shapes limited to a blow-up ratio of 3:1 or less (diameter of container to diameter of neck finish).
Not well suited for handleware.

Strench Blow Molding (SBM)

Advantages

Improved material performance: better barrier and impact properties.
Ability to light weight containers.
Improved clarity.

Disadvantages

Sophisticated, multi-stage process.
High tooling expense.
Limited availability.

When you are browsing our catalog, you may have noticed that some of our plastic bottles have "Technology" attributes where the type of manufacturing process is identified. This can be useful when your project requires a particular type of manufacturing process.

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Posted by Salesforce
on 07/01/2012

This Article is Tagged With:

#packagingknowhow
#plasticbottles

CONTAINERS

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Articles With Tag:

Extrusion Blow Molding (EBM)

Advantages

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Injection Blow Molding (IBM)

Advantages

Disadvantages

Strench Blow Molding (SBM)

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Disadvantages

CONTAINERS

CLOSURES

#NEXTUP

PRODUCT SPOTLIGHT

NEWS

RECENT ARTICLES

Articles With Tag:

Extrusion Blow Molding (EBM)

Advantages

Disadvantages

Injection Blow Molding (IBM)

Advantages

Disadvantages

Strench Blow Molding (SBM)

Advantages

Disadvantages

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