Candy wrapping may seem like a simple task, but behind the scenes, there is a special type of paper that plays a crucial role in ensuring those sweet treats are perfectly packaged. This paper, known as twisting paper, is a thin and versatile material specifically designed for candy-wrapping machines.

Twisting paper is typically made from a lightweight kraft paper, weighing between 30-40 g/m2. It is often flexo or offset printed and then slit into narrow coils, ready to be used in candy wrapping machines. The paper’s strength is of utmost importance during the wrapping process, as it needs to withstand the twisting and shaping required to form the candy’s outer layer.

To achieve this desired strength, twisting paper is made with a high MD/CD strength ratio. This means that the fibers in the paper are highly oriented, giving it excellent strength in the machine direction (MD) and allowing it to stretch and conform to the candy’s shape in the cross-direction (CD). This unique combination of strength and flexibility ensures that the paper can smoothly wrap around the candies without tearing or wrinkling.

In addition to its functional properties, twisting paper also has aesthetic qualities that make it ideal for candy packaging. It is primarily opaque, which helps to maintain the element of surprise when unwrapping the candy. To achieve this opacity, titanium dioxide is often added as a pigment during the papermaking process. This pigment not only enhances the paper’s opacity but also gives it a bright, white appearance.

Twisting paper can also be pigmented on the surface using a size press. In this process, titanium dioxide is dispersed in the size, which is then applied to the paper’s surface. This method allows for more control over the opacity and color of the paper, making it possible to create customized designs and patterns for different candy brands.

When it comes to packaging purposes that are less demanding, there are alternative papers that can be used. Opaline, onion skin, and glassine are just a few examples of similar papers that provide different levels of strength and transparency. These papers may not possess the same high MD/CD strength ratio as twisting paper, but they still offer suitable characteristics for various packaging needs.

In conclusion, twisting paper is an essential component in the candy packaging industry. Its strength, flexibility, and opacity make it the perfect choice for candy wrapping machines. Whether it is used for traditional sweets or innovative confections, twisting paper ensures that the candies are not only protected but also beautifully presented. So, the next time you enjoy a piece of candy, take a moment to appreciate the thought and care that went into its packaging, thanks to twisting paper.