What is the bursting strength of white cardboard?

Aug 14, 2025

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Hey there! As a white cardboard supplier, I often get asked about the bursting strength of white cardboard. So, I thought I'd write this blog to share some insights on what it is, why it matters, and how it relates to the products we offer.

What is Bursting Strength?

Let's start with the basics. Bursting strength refers to the maximum pressure that a sheet of white cardboard can withstand before it ruptures or bursts. It's measured in pounds per square inch (psi) or kilopascals (kPa). Think of it as how much "oomph" the cardboard can take before it gives in.

This strength is super important because it determines how well the cardboard can handle the stresses it'll face during its lifecycle. Whether it's being folded into a box, stacked with other items, or shipped long - distance, a higher bursting strength means the cardboard is less likely to break or tear.

Jianhui Whiteboard Paper (250g)JinFeng White Cardboard (250~400g)

Why Does Bursting Strength Matter?

For businesses that use white cardboard for packaging, the bursting strength can make or break the deal. If you're shipping fragile items, you need a cardboard box that can protect them from the bumps and jolts of transportation. A cardboard with low bursting strength might end up getting damaged during transit, leading to unhappy customers and potential losses for your business.

On the other hand, if you're in the retail industry and use white cardboard for displays, a strong cardboard can hold up the weight of the products it's showcasing. It also gives a more professional and durable look, which can enhance the overall customer experience.

Factors Affecting Bursting Strength

There are several factors that can influence the bursting strength of white cardboard.

Fiber Quality: The type and quality of fibers used in making the cardboard play a huge role. Cardboard made from long, strong fibers will generally have a higher bursting strength than those made from shorter, weaker fibers.

Thickness: It's no surprise that thicker cardboard usually has a higher bursting strength. A thicker sheet can withstand more pressure before it bursts. However, it's not just about the thickness; the way the layers are structured also matters.

Moisture Content: Cardboard is sensitive to moisture. If it gets too wet, its strength can decrease significantly. That's why it's important to store and transport white cardboard in a dry environment.

Measuring Bursting Strength

To measure the bursting strength of white cardboard, we use a device called a burst tester. It works by applying increasing pressure to a small area of the cardboard until it bursts. The pressure at which the cardboard bursts is then recorded as its bursting strength.

This test is standardized, and there are specific procedures and equipment requirements to ensure accurate results. It's a crucial step in quality control for us as a supplier, as it helps us ensure that our products meet the required standards.

Our White Cardboard Products and Their Bursting Strength

We offer a range of white cardboard products, each with its own unique bursting strength characteristics.

JinFeng White Cardboard (250~400g)
This product is known for its excellent balance of strength and quality. The bursting strength of JinFeng White Cardboard varies depending on the weight. Generally, the heavier the cardboard, the higher its bursting strength. You can find more details about this product JinFeng White Cardboard (250~400g).

Jianhui Whiteboard Paper (250g)
Jianhui Whiteboard Paper is a popular choice for various packaging and printing applications. With a carefully selected fiber composition, it offers a decent bursting strength that can handle most common packaging needs. Check out more about this product Jianhui Whiteboard Paper (250g).

Silverbo (250g - 400g) White Card
Silverbo White Card is designed for high - end packaging and display purposes. It has a relatively high bursting strength, which makes it suitable for protecting valuable or delicate items. Learn more about it Silverbo (250g - 400g) White Card.

Choosing the Right White Cardboard Based on Bursting Strength

When you're choosing white cardboard for your project, it's important to consider the required bursting strength. If you're shipping heavy or fragile items, you'll need a cardboard with a higher bursting strength. For light - weight items or simple displays, a lower bursting strength might be sufficient.

You also need to think about the cost. Generally, cardboard with a higher bursting strength will be more expensive. So, it's all about finding the right balance between strength and cost for your specific needs.

Conclusion

In conclusion, the bursting strength of white cardboard is a crucial factor that can affect the performance and durability of your packaging and display solutions. As a white cardboard supplier, we understand the importance of providing high - quality products with the right bursting strength.

If you're interested in learning more about our white cardboard products or have any questions about bursting strength, feel free to reach out to us. We're here to help you find the perfect cardboard for your business needs. Whether you're a small - scale retailer or a large - scale manufacturer, we've got the products and expertise to support you.

References

  • "Handbook of Paper and Board Testing", by some author, Publisher, Year
  • "Packaging Materials and Technology", by another author, Another Publisher, Another Year