FAQ Guide
Due to various reasons, the demand for the global Paper Core Tubes market is expected to grow strongly. Paper Core Tubes are fully recyclable, reusable, and environmentally friendly, making it possible for the paper core market to grow.
In this article, we will introduce you to what Paper Core Tubes are, how to use them, how to choose a Paper Core Tube supplier, and common question answers.
1. What are Paper Core Tubes?
Paper Core Tubes are long cardboard tubes that have high strength against external pressure and are used in many applications, from tissue rolls, and chart rolls to cable reels and other objects in between. Industrial magnetic cores are manufactured according to demand, as each customer may have different requirements and the size may vary according to their needs.
Paper Core Tubes are also known as industrial tubes, spiral wound paper cores, or fiberboard cores. Although the use of Paper Core Tubes depends on the customer, they are widely used for storage, transportation, spinning, and also for plastic, wood, and metal closures.
2. How Are Paper Core Tubes Used?
Paper Core Tubes have a simple structure, making them suitable for a wide range of applications. The main advantage of Paper Core Tubes is its environmental friendliness. That’s why it’s worth choosing other storage and wrapping methods. The size of Paper Core Tubes can also be height adjusted and can be significantly changed according to customer requirements.
1. Beverage packing:
For Paper Core Tubes, the most useful sector is primarily the beverage packaging industry. Most alcoholic and non-alcoholic beverages use sturdy Paper Core Tubes.
2. Adhesive tapes:
Tape is wrapped around typically smaller Paper Core Tubes, which is more conducive to waste disposal compared to plastic cores. A paper core is a simple manufacturing component that does not require a lot of capital in the end.
3. Foil industry:
The foil rotates around the Paper Core Tubes as the final product of its manufacturing process. This makes the waste generated by the foil quite environmentally friendly.
4. Transportation:
Transportation is one of the main uses of Paper Core Tubes. Paper Core Tubes help keep products intact and save space. It can be used to transport various products from large to small. You will be able to transport small items such as glass paper tape, packaging paper, etc. using Paper Core Tubes made of thin paper. But there are also heavy and huge cores that can be used for various other products.
Therefore, you can roll and transport multi-core tubes, central core tube fibers, carpets, and many other similar items without any pressure.
3. How to choose Paper Core Tube suppliers?
When choosing a Paper Core Tubes supplier, there are many factors to consider. Depending on your industry and specific needs, there may be different requirements, and you must ensure that your pipes and core partners meet all of these requirements. There are still some standards that you absolutely cannot compromise on.
In this regard, it is very important to do your due diligence before choosing a partner who can help you save money and waste while providing the best products for your end users.
Here are the 5 most important factors to consider when choosing a Paper Core Tubes partner:
1. Quality
The quality of the final pipe or core product is the most important factor in selecting a suitable supplier. Tube and core construction requires not only high-quality paper but also precise length and wall thickness. Even an error as small as one inch can cost you time, and money, and waste your product. The crush strength and the adhesive used are also important quality factors that need to be considered.
2. Efficiency
Your Paper Core Tube manufacturer should use efficient processing techniques to minimize handling or re-cutting, in order to provide you with the highest quality and value. They should also look for higher-yield paper-grade alternatives with higher linear feet per pound of paper. This will help reduce your costs and ultimately minimize waste in your own factory.
The consistency of paper used for tubes or cores also helps to improve efficiency. It is best to achieve this by consistently using the most suitable paper type for your product. Using paper with consistent waterproofness, smoothness, and finish can make the manufacturing process easier to maintain efficiency and simplify.
3. Sustainability
Looking for Paper Core Tubes partners who can provide options for using recycled/recyclable materials. Paper Core Tubes has made a significant contribution to your company’s carbon footprint, so this should be an important rule for any partner you are considering. Just as you maintain strict recycling policies in your own company, you should also have the same expectations for your Paper Core Tubes suppliers.
4. Customization
The ability to customize Paper Core Tubes to meet specific company needs is also an important factor in finding partners. This includes the width, diameter, and core dimensions of customized products. You may also benefit from collaborating with manufacturers who offer customized printing options for your products, such as logos, arrows, stripes, or other additional content that can improve the appearance and marketing goals of your company.
At Hopak, we offer everything from paper to finished cores or tubes, which allows us to manufacture your products according to your specifications, including printing logos on the paper used for product manufacturing.
5. Technology Technology
In addition to quality, efficiency, environmental selection, and customization, it is also important for your Paper Core Tubes supplier to integrate the best technology into their manufacturing process. For example, does the manufacturer provide a core that supports RFID for roll identification and tracking purposes? This is the key to enabling you to track and locate your products throughout the entire supply chain.
4. What are the dimensions used to define Paper Core Tubes?
At Hopak the dimensions we use are as follows:
1. Length
For Paper Core Tubes with a length of 300 millimeters or more, use a tape measure to measure the length to the nearest millimeter. For pipes smaller than 300mm, use a vernier caliper to accurately measure the length to 0.1mm.
2. Inside Diameter (ID)
The inner diameter of Paper Core Tubes depends on the size of the steel shaft around which the tube is wound. It is very difficult to accurately check unknown IDs with a cursor, so we also use plug gauges that slide inside the tube or core.
Vernier can be used as a guide, but if the inner diameter is a critical dimension, we always ask customers to send us their pipe samples whenever possible so that we can use our full range of plug gauges to accurately match the exact “spindle” size required for their requirements.
3. Wall Thickness
This is the wall thickness perpendicular to the circumference of the pipe. Using a cursor for measurement is relatively easy, but it is important to ensure consistent readings.
4. Outside Diameter (OD)
For any pipe that must be installed inside the component, use the outer diameter of the pipe instead of the wall thickness. We can manufacture outer diameter tolerances that are stricter than walls and can easily measure the outer diameter using a set of verniers.
5. FAQs of Paper Core Tubes
Here are some common questions about Paper Core Tubes:
1) How is a spiral tube different from a convolute tube?
The manufacturing processes of spiral tubes and convolute tubes are completely different. They also have significant visual differences; Spiral tubes typically have an easily recognizable spiral mark on their outer side, with the outer band being adjacent to its own spiral (‘but joined ‘) or an overlapping paper’ cover ‘(thin ply) on the outer side. Generally speaking, the manufacturing tolerances of spiral tubes are stricter and the smoothness is higher than that of convolute tubes.
Convolute tubes are made of a single sheet of paper and have straight seams that extend along the length of the tube. If the seam is ground into feather-like edges, it is not always easy to detect. Due to being made of a single sheet material, the geometric range of convolute tubes is more limited than that of spiral tubes.
However, the single-piece manufacturing of convolute tubes brings two obvious advantages to them: firstly, they can withstand higher internal pressures (important for pyrotechnic applications), and secondly, they have higher beam strength (compared to equivalent spiral tubes), which means they can be a cheaper choice for many textile and material processing applications, where beam strength is an important component of specifications.
2) How to measure the Inside Diameter (ID) of a tube?
It is difficult to accurately measure the inner diameter of a pipe using a vernier caliper. Vernier can be used as a guide, but if the inner diameter is a critical dimension, we always ask customers to send us their pipe samples as much as possible so that we can use our full range of plug gauges to accurately match their requirements. Need the size of the ‘spindle’.
3) What’s the difference between a cardboard tube and a paper tube?
What is the difference between cardboard tube and paper tube?
Nothing? Some people use the term ‘cardboard tube’, while others use the term ‘paper tube’ – both are commonly used. Generally speaking, cardboard tube is considered a type of “thick” paper, but there is no universal definition for the meaning of “thick”. Most of our tubes are made of materials that most people refer to as cardboard, so we call them cardboard tubes. That is to say, looking at some of our marketing materials from the 1920s, we were described as paper tube manufacturers!
4) Are different qualities of cardboard used to manufacture Paper Core Tubes?
yes. Generally speaking, Paper Core Tube winding must consider four aspects of cardboard quality: the strength, thickness, and surface characteristics of the cardboard, as well as the consistency of these characteristics maintained by specific factories. We use a variety of cardboard with different strengths, thicknesses, and surface characteristics. But we only use suppliers who can consistently provide these services, such as Hopak
For example, this experience allows us to precisely customize products according to customer requirements: if you require additional strength but are limited by the outer diameter (OD) size, we can specify stronger sheets. Or may you need a tube with a particularly tough inner layer to prevent damage to the drive shaft? We can also propose different options for this.
5) How strong are industrial grade Paper Core Tubes?
This is a bit like asking: How long is a rope? We customize the strength of Paper Core Tubes based on the specific customers or markets we supply. Essentially, the stronger the manufactured pipes, the higher the material cost. On the one hand, we are careful not to overly specify our pipes, and on the other hand, due to the high value of materials wrapped around or protected by pipes, the risk of mechanical failure of pipes must be minimized. The technique to achieve this balance is to minimize the differences in pipe strength as much as possible so that once you finally determine the specifications, you know it is correct and consistent. Different paper quality, adhesive quality, and manufacturing quality may lead to differences in strength.
We can quantify this using compression testing and beam strength testing.
6) Is Paper Core Tubes waterproof?
No, because cardboard inherently absorbs water. However, there is a wax immersion process that can provide a certain degree of waterproofing. This is very useful for fireworks applications or places where the lifespan of Paper Core Tubes needs to be extended.
7) Can Paper Core Tubes be recycled?
Yes, absolutely. Paper Core Tubes are considered one of the most environmentally friendly packaging types because they are made from renewable resources. One of the most environmentally friendly materials is paperboard. It is 100% recyclable and 100% biodegradable.
8) What happens after recycling Paper Core Tubes?
The cardboard is collected by waste traders or original manufacturers and then sent back to the cardboard factory for quality grading, screening for contaminants, and then re-pulping (shredding and mixing with water). Then it is sent back to the papermaking process.
6. Conclusion
When choosing a Paper Core Tube supplier, there are many factors to consider. Depending on your industry and specific needs, there may be different requirements, and you must ensure that your pipes and core partners meet all of these requirements. There are still some standards that you absolutely cannot compromise on.
