The elongation rate of a tape is a crucial property that significantly influences its performance in various applications. As a supplier of Frozen BOPP Packing Tape, understanding the elongation rate of this product is essential for both us and our customers. In this blog, we will delve into what the elongation rate of Frozen BOPP Packing Tape is, why it matters, and how it compares to other types of tapes.


What is Elongation Rate?
Elongation rate, also known as elongation at break, is a measure of how much a material can stretch before it breaks. It is usually expressed as a percentage of the original length. For example, if a tape with an original length of 100 mm can stretch to 150 mm before breaking, its elongation rate is 50%.
In the context of Frozen BOPP Packing Tape, the elongation rate indicates the tape's ability to stretch under tension without tearing. This property is particularly important in packing applications where the tape may need to conform to irregular shapes or withstand pulling forces during handling and transportation.
Factors Affecting the Elongation Rate of Frozen BOPP Packing Tape
Several factors can influence the elongation rate of Frozen BOPP Packing Tape. These include the type of BOPP film used, the adhesive formulation, and the manufacturing process.
- BOPP Film: Biaxially Oriented Polypropylene (BOPP) is a widely used material for packing tapes due to its high tensile strength, clarity, and moisture resistance. The molecular orientation of the BOPP film during the manufacturing process can affect its elongation properties. A well - oriented BOPP film will have better mechanical properties and a more consistent elongation rate.
- Adhesive Formulation: The adhesive used in Frozen BOPP Packing Tape plays a vital role in its overall performance. Different adhesive formulations have different levels of flexibility and adhesion strength. A more flexible adhesive can contribute to a higher elongation rate of the tape, as it allows the tape to stretch without losing its bond.
- Manufacturing Process: The manufacturing process of the tape, including the coating thickness, drying conditions, and curing time, can also impact the elongation rate. Proper control of these parameters ensures that the tape has the desired physical properties.
Importance of Elongation Rate in Packing Applications
The elongation rate of Frozen BOPP Packing Tape is of great significance in packing applications. Here are some reasons why:
- Conformability: In packing, products come in various shapes and sizes. A tape with a high elongation rate can easily conform to irregular surfaces, such as curved or uneven objects. This ensures a secure and tight seal, preventing the package from opening during transit.
- Shock Absorption: During handling and transportation, packages may be subjected to shocks and vibrations. A tape with good elongation properties can absorb some of these forces by stretching, reducing the risk of the tape breaking and the package coming apart.
- Tension Resistance: When applying the tape, it is often pulled tight to ensure a strong seal. A tape with a sufficient elongation rate can withstand this pulling force without tearing, allowing for easy and efficient application.
Comparing the Elongation Rate of Frozen BOPP Packing Tape with Other Tapes
Let's compare the elongation rate of Frozen BOPP Packing Tape with other popular types of packing tapes, such as Super White Clear BOPP Packing Tape, Hot Melt Adhesive Tape, and Normal Clear BOPP Packing Tape.
- Super White Clear BOPP Packing Tape: This type of tape is known for its high clarity and strong adhesion. Generally, it has a moderate elongation rate, which is suitable for most general - purpose packing applications. However, compared to Frozen BOPP Packing Tape, its elongation may be slightly lower due to its specific formulation and intended use.
- Hot Melt Adhesive Tape: Hot melt adhesive tapes are often used for high - speed packaging operations. They typically have a relatively lower elongation rate compared to Frozen BOPP Packing Tape. The hot melt adhesive is designed to provide quick adhesion, but it may be less flexible, resulting in less stretchability.
- Normal Clear BOPP Packing Tape: Normal clear BOPP packing tape is a common choice for everyday packing needs. Its elongation rate is usually in the middle range. While it can handle normal packing tasks, Frozen BOPP Packing Tape may offer better elongation performance, especially in applications where more stretch is required.
Measuring the Elongation Rate of Frozen BOPP Packing Tape
The elongation rate of Frozen BOPP Packing Tape can be measured using a tensile testing machine. The test involves cutting a sample of the tape to a specific size and clamping it between two grips of the testing machine. The machine then applies a gradually increasing tensile force until the tape breaks. The elongation rate is calculated by measuring the increase in length of the tape at the point of breakage and expressing it as a percentage of the original length.
It is important to note that the elongation rate can vary depending on the testing conditions, such as the speed of the test and the temperature. Therefore, it is recommended to follow standardized testing methods to ensure accurate and comparable results.
Applications Where Elongation Rate Matters
There are several packing applications where the elongation rate of Frozen BOPP Packing Tape is particularly important:
- Irregular - shaped Packages: When packing products with irregular shapes, such as furniture or machinery parts, a tape with a high elongation rate can conform to the contours of the object, providing a secure seal.
- Heavy - duty Packing: In heavy - duty packing, the tape may be subjected to significant pulling forces during handling and stacking. A tape with good elongation properties can withstand these forces without breaking, ensuring the integrity of the package.
- Cold - storage Applications: Frozen BOPP Packing Tape is designed for use in cold - storage environments. In cold temperatures, the tape needs to remain flexible and have sufficient elongation to prevent cracking or peeling.
How Our Frozen BOPP Packing Tape Stands Out
As a supplier of Frozen BOPP Packing Tape, we take pride in offering a product with excellent elongation properties. Our tape is manufactured using high - quality BOPP film and a specially formulated adhesive that provides a balance between adhesion strength and flexibility.
We conduct rigorous quality control tests to ensure that each batch of our tape meets the required elongation rate standards. This means that our customers can rely on our tape to perform well in various packing applications, even in challenging conditions.
Contact Us for Your Packing Tape Needs
If you are looking for a reliable Frozen BOPP Packing Tape with a high elongation rate, look no further. Our team of experts is ready to assist you in finding the right tape for your specific packing requirements. Whether you need a large quantity for industrial use or a small amount for personal packing, we can provide you with the best solution.
Contact us today to start a discussion about your packing tape needs. We are committed to providing high - quality products and excellent customer service. Let's work together to ensure your packages are securely sealed and protected during transit.
References
- ASTM D882 - 18, Standard Test Method for Tensile Properties of Thin Plastic Sheeting.
- ISO 527 - 3:2018, Plastics — Determination of tensile properties — Part 3: Test conditions for films and sheets.



