What is blow molding and injection molding in the realm of plastic container?

1. About blow molding


For the realm of plastic containers, the blow molding is key and common industrial process. Blow molding starts from the 1930s, although till now this technology has already had a wide range of applications, in most case blow molding is still inevitable for most of plastic containers' manufacture, like the plastic bottle, plastic jug, plastic jar, etc.


Now, take a minute to scan the infographic blew to learn about the production of the plastic bottle.


blow molding process


Over the past 20 years, we 3plastics applied blow molding technic into containers, which they were supplied into the food, chemical, home care, personal care market sector in a range of different sizes, shapes, and materials. 


On the other hand, we also produce the corresponding caps and closures to satisfy your needs, such as regular screw caps, flip tops, dispensing caps.


2. About injection molding


The process of blow molding is similar to injection molding and extension, the big difference is that injection molding is employed mainly in the production of solid object. In general, injection molding is expensive than blow molding, the major reason is entry cost, preparing a product for injection molded manufacturing requires a large initial investment, once the initial costs have been paid, the more products you produce, the price of per unit will tend to lower, before you start, you should think through about this.


Our some plastic containers require injection molding before blow molding, but according to our products' feature, the cost of opening a new molding won't that high like other complex industries, if you want to design your plastic container, sending us a custom design quotation now, our engineers will feedback to you a technical drawing for free.


plastic raw granules


3. Conclusion


Blow molding and injection molding are both great technology for mass-production plastic containers, and of course, as an industry and trade integration company, we will provide you with the most competitive price.


Click here to see our plastic bottles.

Materials: HDPE, LDPE, PP, PET

Added-value options: Labeling and printing

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