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Is Bopp tape waterproof?

by:Gangyuan      2023-07-20

Is Bopp Tape Waterproof?


When it comes to packaging and sealing materials, BOPP tape is a popular choice for its excellent adhesion and durability. However, one question that often arises is whether BOPP tape is waterproof. In this article, we will delve into the properties of BOPP tape and explore its water resistance capabilities. We will also discuss the various factors that can affect its performance and provide tips on how to maximize its waterproofing potential.

Understanding BOPP Tape

BOPP tape, short for Biaxially Oriented Polypropylene tape, is a type of packaging tape made from thin polypropylene film. The film is stretched in both the machine and transverse directions, resulting in a material that is strong, transparent, and resistant to tearing. BOPP tape is commonly used for sealing boxes, cartons, and packages in a wide range of industries.

1. The Basics of Water Resistance

Water resistance refers to the ability of a material to withstand the effects of water without being damaged or deteriorating. While BOPP tape is known for its strength and durability, it is important to note that it is not completely waterproof. The tape itself is resistant to moisture, but prolonged exposure to water can still compromise its adhesive properties and overall effectiveness.

2. Factors Affecting Water Resistance

Several factors can affect the water resistance of BOPP tape, including the adhesive used, the thickness of the tape, and the surface to which it is applied. The type of adhesive is particularly crucial in determining the tape's water resistance. Some adhesives are specifically formulated to resist water, while others may not perform as well when exposed to moisture.

It is also essential to consider the thickness of the tape as it can impact its ability to repel water. Thicker tapes generally provide better water resistance compared to thinner ones. Additionally, the surface to which the tape is applied plays a role in its water resistance. Smooth surfaces tend to offer better adhesion, allowing the tape to remain in place even when exposed to moisture.

3. Applications Requiring Water Resistance

While BOPP tape is not fully waterproof, it still serves several purposes where water resistance is necessary. For instance, in industries like e-commerce and logistics, packages often face unpredictable weather conditions during transportation. BOPP tape helps protect the contents of the packages from rain, snow, or any other external moisture.

Furthermore, in humid environments like warehouses and storage facilities, BOPP tape can provide a level of protection against moisture. It helps prevent boxes from becoming weakened or damaged due to exposure to humidity, keeping the contents safe and secure.

4. Enhancing Water Resistance

Although BOPP tape possesses inherent water resistance properties, there are steps you can take to enhance its performance. One method is using a tape with an adhesive specifically designed to withstand water. These adhesives are often made with synthetic materials, such as acrylic or rubber, which ensure better water resistance.

Another way to improve water resistance is by reinforcing the tape's application. Applying an extra layer of tape on the top and bottom edges of packages creates an additional barrier against water penetration. Moreover, ensuring proper sealing with thorough application pressure can also enhance water resistance.

Additionally, considering the environmental conditions during storage and transportation is important. Storing packages in dry areas and protecting them from direct exposure to water can help preserve the efficacy of the BOPP tape.


In summary, while BOPP tape is not entirely waterproof, it possesses water resistance properties that make it suitable for various applications. Understanding the factors that affect its water resistance, such as adhesive type, tape thickness, and surface condition, can help determine its applicability in different scenarios. By taking appropriate measures to enhance its water resistance and considering environmental factors, BOPP tape can effectively protect packages from moisture, ensuring their contents remain safe and intact throughout their journey.

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