What is the lightfastness of c1s white duplex board?

Nov 24, 2025

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Hey there! As a supplier of C1S white duplex board, I often get asked about the lightfastness of this product. So, let's dive right in and break down what lightfastness means for C1S white duplex board.

First off, what's C1S white duplex board? Well, it's a type of paperboard that's coated on one side (that's what the "C1S" stands for). The white duplex part means it has two layers, giving it strength and a nice, smooth white surface on the coated side. It's super versatile and used in all sorts of packaging, like boxes for cosmetics, food, and electronics. You can check out our Optimal C1S White Duplex Board and Coated One Side White Duplex Board for more details.

Now, let's talk about lightfastness. Lightfastness refers to how well a material can resist fading or changing color when exposed to light over time. For C1S white duplex board, this is a crucial factor, especially if the packaging is going to be on display under bright lights in a store or if it's going to be exposed to sunlight during shipping or storage.

The lightfastness of C1S white duplex board depends on a few things. One of the main factors is the quality of the coating. A high - quality coating is formulated to better protect the board from the harmful effects of light. The pigments used in the coating also play a big role. Some pigments are more light - resistant than others. For example, inorganic pigments generally have better lightfastness compared to organic pigments.

Another factor is the base paper of the duplex board. The type of fibers used and how they're processed can affect the overall lightfastness. Boards made from high - quality, well - processed fibers tend to have better resistance to light - induced color changes.

We test the lightfastness of our C1S white duplex board using industry - standard methods. We expose samples of the board to different intensities and wavelengths of light for a set period. Then, we measure the color change using colorimeters. This helps us ensure that our boards meet the required lightfastness standards.

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If you're in the market for C1S white duplex board, you need to consider the lightfastness based on your specific needs. For instance, if you're packaging luxury items that will be on long - term display in a well - lit store, you'll want a board with excellent lightfastness. On the other hand, if the product is going to be quickly consumed or stored in a dark place, you might be able to go for a board with a lower lightfastness rating.

We also offer OEM C1S White Duplex Board, which means we can customize the board according to your specific lightfastness requirements. Whether you need a board that can withstand intense sunlight or just normal indoor lighting, we've got you covered.

In addition to lightfastness, our C1S white duplex board has other great features. It has good printability, which means you can get sharp, vibrant colors on the coated side. The board is also strong and durable, making it suitable for protecting your products during transit.

If you're interested in learning more about our C1S white duplex board and its lightfastness, or if you want to discuss your specific packaging needs, don't hesitate to reach out. We're here to help you find the perfect solution for your business. Whether you're a small startup or a large corporation, we can work with you to provide high - quality C1S white duplex board that meets your requirements.

So, if you're looking for a reliable supplier of C1S white duplex board with excellent lightfastness, look no further. Contact us today and let's start a conversation about how we can help you with your packaging needs.

References:

  • Industry reports on paperboard lightfastness testing
  • Technical specifications of C1S white duplex board materials