How to minimize your costs With a Preform Design?

Focused on specific elements of the pet preform mould

Weighing down your pet preform mould can help you cut down on manufacturing costs and meet profit targets in a shorter time frame. Although this method has been used to save money for some time, methods for reducing the weight of bottles are changing, and the commercial case for it is also changing. So, for instance, in addition to helping to reduce the cost of production and your production costs, it could also help in helping you meet your sustainable objectives.

To help you determine whether or not lightweight is the best option for you, This article gives brief information on the process and how to build the case for the business.


The concept behind lighting your bottles to reduce costs is pretty simple. Any chance to decrease the quantity of resin you use in PET bottles represents an opportunity to reduce the cost of production.

But, numerous benefits go beyond the obvious:

  1. Supporting the sustainability objectives of your business: Each gram of resin you save assists in reducing CO2 emissions.
  2. In addition to other costs, you can use reduced weight of bottles strategically to offset the rising costs of production due to the increase in recycling of PET, which is more costly than virgin resin.
  3. Differentiation: Some strategies for this weight reduction process involve the creation of new neck designs and closures that could be an element of a differentiation strategy.
  4. Staying up-to-date In many global markets, regulations are expected to soon require closures that are tethered to comply with sustainability standards. Certain methods of lightning allow for easier adaptation to the new laws coming into effect.

Four proven approaches

There are four main industrial approaches to reducing weight. Each is focused on specific elements of the pet preform mould. You can use the methods separately or together to save more money.

Method 1: Switching to a lighter version of the neck and closure system.

If, for instance, you’re employing an example, if you are using the PCO 1881 neck finishing, you could reduce the amount of resin you use by changing to the most recent lighter version of this neck. In this instance, the basic design stays the same. However, small changes can reduce the resin needed for each unit.

Method 2: Switching to a different neck, lighter, and closure style

This option offers more savings on resin than changing to a lighter version of your current neck finish. For instance, based on your application, you could change between PCO 1881 to the 26/22 GME 30.37 neck finish, saving you approximately 1.88g of resin per unit compared to closing and neck finishing.

Method 3. Redesigning the bottle’s body to make use of less resin

This can be achieved by altering the design of the preform by reducing the thickness of walls and other design modifications to the body.

Method 4: Redesign the bottle’s base to utilize less resin.

For instance, you require the most effective EcoBase preform design, which can lower the use of resin in the base of the bottle by as much as 2.5 percent.

The Keys to Success

There are a few important factors to consider to make the most savings from the weighting process.

  • Experience for the consumer: Any proposed design modifications must be considered first from the consumer’s perspective, ensuring an unquestionably positive experience and interaction with the brand.

  • Performance: When implementing any weight reduction program, it is essential to take a holistic look at the weight balance of the preform and the design of the preform to maintain the uncompromising package performance.

  • Precision and quality No matter which methods of lightweight you select, precision is crucial to success. When you remove resin from the preforms of your design, the consistency and precision of the manufacturing process become increasingly crucial. Otherwise, the increase in errors and waste will affect your savings potential. Make sure your moulds and system are equipped to work with lightweight designs.

  • Employing a knowledgeable pet preform mold manufacturers: Any modification to your manufacturing process can pose the risk of a loss. With margins already strained in the current year and a low time to wait for downtime, the transition process must be carried out correctly and carefully, considering the possible impact on the entire process. A seasoned pet preform mold manufacturers can see the bigger picture and help minimize the risks. It is generally recommended to choose a service with the knowledge and experience to implement the changeover efficiently, precisely, and effectively to make savings as soon as possible and avoid costly production delays.

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