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Polymer Company News, Plastic Processing Industry Updates, and More FAQs About Cooler Box Products.
Which cooler box brands are the best? How to choose a cooler box?
Release time：2024-09-13
The current market for plastic cooler boxes primarily revolves around three major production processes: roto molding, injection molding, and blow molding. We have previously provided a brief overview of the advantages and disadvantages of these processes, and those interested can refer to that content for more details.
Regardless of brand popularity or sales volume, most plastic cooler boxes on the market rely on these three processes. Some products use the roto molding process for the integrated molding of both the lid and the body, while others adopt injection molding for either component. There are also cooler boxes where the lid is produced using blow molding, and the body through injection molding. The insulation layer inside the cooler boxes is generally made of PU (polyurethane) material, although a few use EPS (expanded polystyrene). When choosing a cooler box, it is advisable to select the production process and insulation material that best suit your needs. For those unfamiliar with the differences between these insulation materials, further reading can provide more clarity.
When selecting a cooler box, it’s essential to consider your specific needs rather than simply following well-known brands. The goal is to choose the most suitable product for you. In general, cooler boxes made through roto molding offer superior impact resistance and durability, whereas those produced via injection or blow molding are usually more affordable. However, in terms of insulation performance, there is little difference between these processes, making this a helpful point to consider when making a purchase.
From a material perspective, cooler boxes produced by these three processes commonly use PE (polyethylene) or PP (polypropylene) materials, with most brands and factories utilizing food-grade raw materials that are safe for use.
The insulation performance of a cooler box depends on several factors, including the thickness of the box walls, the type of insulation material, the storage of cooling agents (such as ice packs, ice boxes, or ice bags), and the airtightness of the cooler. Therefore, when selecting a product, it is advisable to consider these aspects in detail and make comparisons to find the cooler box that best fits your needs.
Additionally, we have compiled some tips for the daily maintenance of cooler boxes, which may be helpful for those interested. We hope this information will assist you in making more informed decisions when purchasing a cooler box.
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