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Many friends who are new to packaging and printing often ask: What exactly is white card paper? It sounds familiar when they hear it, but when it comes to making a choice, they become completely confused. Today, using plain language, I will talk to you all about white card paper, allowing you to understand its uses, specifications and industry standards at a glance.
To start with, white card paper is a type of card paper with a smooth and white surface on the front, good rigidity, and the colors on both sides are basically the same. It is not as thin as ordinary paper, nor as rough as hardboard. It has an appropriate thickness and a smooth feel, and is a particularly commonly used type of paper in packaging and printing. Many of the common cosmetic boxes, medicine packaging boxes, handbags, and tags are actually made of white card paper.
Its biggest feature is high whiteness and good flatness. The printing is very clear, the colors are very accurate, and the finished products have a high appearance level and good texture. Therefore, high-end packaging is basically impossible without it.
Let's talk about what you are most concerned about - the specifications. When purchasing, you often hear something like "how many grams", which actually refers to the weight of the white card paper, with the unit being g/㎡. The higher the grams, the thicker and more rigid the paper is.
The most common ones on the market are 210g, 230g, 250g, 300g, 350g, and 400g.
For small cards and tags, 210–250g is sufficient; for ordinary packaging boxes, 300–350g is commonly used; for gift boxes that need to bear weight and be more rigid, 400g or higher will be used. The sizes are mostly standard large and standard paper sizes, and they can also be customized according to the requirements.
Finally, let's briefly mention the industry standards. This is something that many people tend to overlook, but it is actually very important.
For ordinary white card paper, the main considerations are whiteness, rigidity, flatness, no powder shedding, and no color fading;
If it is used for food packaging, food boxes, or takeout packaging, it must meet food grade standards, without fluorescent agents, excessive heavy metals, and comply with national food contact paper standards. Safety is the top priority.
There are also some white card papers for export, which must meet foreign environmental protection and testing requirements to ensure compliance before shipping.
In summary, white card paper may seem ordinary, but it has many tricks. Choosing the right weight, recognizing the quality and standards, and making the packaging both attractive and practical, whether for your own factory use or for supplying to customers, is not easy to make mistakes.