Criterias for choosing plastic packaging from the manufacturer’s perspective (Part 2)

Choose the appropriate packaging design criterias for each product type

Criterias Printed Plastic BagsCriterias T-shirt bagsCriterias of soft loop bags

Plastic packaging has many diverse designs criterias. Except for some specific types designed specifically for specific packaging purposes, there are still cases where customers may need advice.

For popular shopping bags, there are plastic bags with perforated handles (D-cut). Also, there are bags with two handles (T-shirt or U-cut) or handbags. The most common type of bag, the T-shirt bag, is thin and light but has extremely large storage capacity. This type of bag is indispensable in supermarkets or markets. Thanks to the high-strength HDPE material and smart design features, this type of packaging does not need to use thick films. The thinner the bag, the lighter it weighs and the lower the cost per unit of bag. However, this type of bag has a minus point. HDPE material wrinkles easily. Printing is also difficult to understand effectively, not to mention difficult to apply printing technologies on a thin layer of film.

Perforated with handles LDPE bags (D-cut) have a rectangular shape. And they are significantly thicker than HDPE bags, making the price high. But in return they are easier to print. Fashion or household goods shops often use this type of packaging to increase brand recognition.

Finally, there are bags with handles, which are attached rather than manufactured by the punching method. Bags with removable handles are the most durable and resistant type of bags. Furthermore, the more complex the boom arm, the higher its load-bearing capacity. You can also print in very high quality on these bags.

Not all bags with handles require side pleats to create a bottom. This hip folding step also increases costs.

Suggestions on color choices and printing methods criterias

Printing methods

To avoid cases where the result after packaging is completely contrary to what was envisioned. Customers should receive advice from experienced plastic bag designers or manufacturers.

Customers also need to consider between screen printing or copper plate printing or even flexo printing if the budget is abundant. While copper-roll printing or flexo printing can be called a separate production step, because it is performed with complex machinery on nylon rolls before cutting into bags, screen printing is a quite expensive manual technology. least. The most significant advantage of screen printing can be considered the economic feasibility of working with small or large quantities of colors. An experienced printing facility can help customers have quality prints even with this manual printing method, at a very low cost.

In contrast, the rotogravure printing method is more suitable for orders with large to very large quantities. The cost of copper printing shafts is much cheaper than screen printing, but the initial cost to produce shafts is quite large. With rotogravure printing, production becomes more expensive the larger the printed area. Therefore, you need to calmly choose the print size; a tailored design will help significantly reduce production costs.

Color choices

Regarding bag color, it is not always necessary to use colored plastic bags. The color surcharge will be at least 20% because the pigments are not cheap, plus the cost of cleaning the screw system after production.

⇒ We think that any cost savings will be worth it in the long run. So, the information shared above will hopefully be useful to you.

For your reference, you could explore further via our website: Hanpak.com.vn or mail to info@hanpak.com.vn.

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