How to Choose the Thickness of Blister Cardboard? A Guide for Balancing Cost and Quality for Practical Purposes

Apr 02, 2026

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Many friends engaged in foreign trade often fall into a misconception when choosing foil cardboard: they believe that the thicker it is, the more sturdy and prestigious it will be. In fact, blindly increasing the thickness will only raise the cost and increase shipping fees, while being too thin will easily make it soft and deform, affecting the product image. Choosing the **appropriate thickness is the key to both saving costs and not compromising on quality.

The cardstock that is too thin lacks sufficient support and is prone to bending and collapsing after being molded. During long-distance transportation, it will deform under pressure. Not only does it fail to protect the products, but it also makes customers feel that the packaging is cheap. While the cardstock that is too thick has sufficient hardness, it is more expensive in terms of materials and requires fewer boxes. For lightweight and small products, it is completely unnecessary and constitutes an unnecessary investment.

blister cardboard

Based on our experience in foreign trade shipments, the thickness for different products can be chosen as follows:

- For light and small items such as accessories, small accessories, and stationery, we recommend 250g–300g, which has a moderate rigidity, is cost-effective, and has clean packaging.

blister cardboard

- For regular products such as daily necessities, toys, and small hardware, we recommend 300g–350g, which is the most commonly used optimal thickness in foreign trade. It is resistant to compression and less prone to deformation, and offers the highest cost-effectiveness.

- For heavier products such as electronic products and medium-sized tools, we recommend 350g–400g, which provides stronger support and can better protect the products from damage during transportation.

If you are looking for stable thickness, excellent blow-molding effect and beautiful printing, Songhong Paper Industry's blow-molded card paper** is very suitable for export packaging. The paper is tough and uniform in texture, the blow-molding is firm and does not bubble, the whiteness is high, the printing effect is good, it also complies with export environmental protection requirements, the batches are stable and the cost performance is high. Whether it is the regular thickness or customized specifications, it can meet all requirements.

When doing foreign trade packaging, there is no need to blindly pile up materials. Based on the product, select the appropriate thickness of shrink film card paper, and combine it with stable and reliable Songhong card paper. This will not only make the packaging more sturdy and have a better texture, but also help control costs reasonably, making the order more competitive.