Adhesive Inkjet Paper holds immense importance in numerous industries and applications. In the advertising and marketing sectors, it enables the creation of attention-grabbing posters, signs, and promotional materials that can be easily affixed to diverse surfaces. Retailers utilize adhesive inkjet paper for product labeling, shelf displays, and window graphics, enhancing their branding efforts and attracting customers. Moreover, adhesive inkjet paper has revolutionized the crafting community, allowing enthusiasts to effortlessly create personalized stickers, labels, and scrapbooking elements.Its versatility and convenience have transformed the way we print and display images, making it a popular choice for individuals, businesses, and creative professionals. This article aims to explore the common challenges associated with adhesive inkjet paper and provide insights into overcoming them, ensuring optimal results and customer satisfaction.

Three types of adhesives used in adhesive inkjet paper: hot-melt, water-based, and solvent-based

Adhesive inkjet paper utilizes three primary types of adhesives: hot-melt, water-based, and solvent-based. Each adhesive type possesses distinct characteristics and is suitable for different applications.

Hot-melt adhesives are cost-effective and environmentally friendly. They provide strong initial adhesion, but their long-term stickiness may be slightly weaker. Hot-melt adhesives can yellow and harden over time, so they are typically used for short-term labeling applications, such as logistics labels on outer cartons.

Water-based adhesives are also environmentally friendly and offer good adhesion. They allow for repositioning during application and are known for their versatility. Water-based adhesives have a longer shelf life, typically lasting 6 to 12 months. However, they require smooth and flat surfaces for optimal bonding. Rough surfaces, such as those found on some types of cardboard boxes, may not provide the best adhesion with water-based adhesives.

In the advertising industry, solvent-based adhesives are commonly used. These adhesives have sufficient viscosity and provide strong bonding without delamination. They are suitable for demanding applications where durability and longevity are crucial.

It is important to consider the specific requirements of your application when choosing the type of adhesive-backed photo paper. Manufacturers like Koalapaper offer a range of options tailored to different adhesive types, ensuring that users can find the most suitable solution for their specific needs.

Hot-Melt Adhesive: Challenges and Causes

Hot-melt adhesive paper faces specific challenges that can impact the overall quality and performance of prints. Understanding these challenges and their underlying causes is essential for users seeking to optimize their printing experience.

●Problem 1: Yellowing

One common issue associated with hot-melt adhesive inkjet paper is the occurrence of yellowing, which can lead to adhesive problems such as reduced stickiness and peeling.

Yellowing primarily refers to the discoloration and degradation of the adhesive, resulting in a compromised appearance and performance of the prints. Several factors contribute to this phenomenon, including exposure to heat and UV light. In particular, hot environments and prolonged exposure to sunlight can accelerate the yellowing process, causing prints to lose their original vibrancy and adhesive integrity.

To address the problem of yellowing, it is crucial to take preventive measures and ensure proper storage conditions for the adhesive inkjet paper. Storing the paper in a cool and dry environment, away from direct sunlight, can significantly reduce the risk of yellowing.

●Problem 2: Adhesive Overflow

Another challenge faced with hot-melt adhesive paper is adhesive overflow, where excess adhesive seeps out from the paper edges during application. This can result in unsightly adhesive residue, compromising the appearance and cleanliness of the print.

Adhesive overflow can occur due to various factors, including excessive application of adhesive or improper adhesive formulation.

Problem 3: Poor Release Force

Hot-melt adhesive paper may present challenges during the peeling process, where the release force required to separate the paper from the adhesive layer is insufficient. Insufficient release force can lead to difficulties in removing the backing paper, resulting in damaged or torn prints.

Poor release force in hot-melt adhesive paper can be attributed to various factors, including the composition of the adhesive itself and the surface characteristics of the substrate. If the adhesive composition is too strong or the substrate surface is not properly prepared, the release force may be compromised.

To address poor release force, manufacturers can optimize the formulation of hot-melt adhesives to achieve a balance between adhesion and release properties. Additionally, proper surface preparation, such as ensuring a clean and smooth substrate, can enhance the release force and facilitate the peeling process.

Water-Based Adhesive: Challenges and Causes

Water-based adhesive paper presents its own set of challenges that users should be aware of in order to achieve the desired results.

Problem 1: Curling

One of the primary challenges encountered with water-based adhesive paper is curling. Curling refers to the warping or bending of the paper, which can lead to difficulties during printing and application.

Curling in water-based adhesive paper is often caused by moisture absorption. The paper absorbs moisture from the adhesive layer, resulting in uneven expansion and contraction. Additionally, inadequate drying during the manufacturing process can contribute to curling issues.

To minimize curling, it is important to store water-based adhesive paper in a controlled environment with consistent humidity levels. Proper drying techniques during manufacturing can also help reduce curling.

Problem 2: Adhesion Failure

Adhesion failure is another challenge that can arise with water-based adhesive paper. Adhesion failure occurs when the adhesive layer fails to properly adhere to the substrate, leading to peeling or detachment of the print.

Several factors can contribute to adhesion failure, including inadequate surface preparation and compatibility issues between the adhesive and substrate. Insufficient cleaning or improper treatment of the substrate surface can prevent optimal adhesion. Additionally, using water-based adhesive paper on surfaces that are not compatible with water-based adhesives can result in poor adhesion.

To overcome adhesion failure, it is crucial to ensure proper surface preparation, including cleaning and, if necessary, priming the substrate. Furthermore, selecting water-based adhesive paper that is compatible with the intended surface can improve adhesion performance.

Solvent-Based Adhesive: Challenges and Causes

Solvent-based adhesive paper offers its own unique challenges, particularly in terms of environmental concerns and price stability.

Problem 1: Volatile Organic Compounds (VOCs)

Solvent-based adhesives often contain volatile organic compounds (VOCs) that can be released into the environment during printing and application. VOCs contribute to air pollution and can have detrimental effects on human health.

To address the environmental concerns associated with solvent-based adhesives, it is important to ensure proper ventilation in printing environments. Implementing exhaust systems or using solvent-based adhesive paper in well-ventilated areas can help minimize the release of VOCs. Additionally, manufacturers can explore alternative adhesive formulations that have reduced VOC content or seek eco-friendly adhesive alternatives.

Problem 2: Price Instability

Another challenge with solvent-based adhesive paper is price instability. The cost of solvents used in the adhesive formulation can fluctuate due to factors such as raw material availability, market demand, and regulatory changes.

To mitigate the impact of price instability, manufacturers can establish strategic partnerships with suppliers to secure a stable supply chain. Additionally, diversifying adhesive options and exploring alternative adhesive formulations less prone to price fluctuations can help ensure price stability for customers.

Koala’s Commitment to Quality and Solutions

At Koala, we take pride in being a leading provider of adhesive inkjet paper and are dedicated to addressing the challenges faced by our users. We understand the importance of delivering innovative solutions that meet the highest standards of quality.

Through extensive research and development efforts, we continuously strive to minimize common issues such as yellowing, adhesive overflow, curling, and adhesion problems. We achieve this by emphasizing the use of high-quality adhesive formulations and implementing advanced manufacturing processes. Our adhesive inkjet paper is designed to offer exceptional durability and performance, ensuring that your prints maintain their vibrant colors and adhesive integrity. As an example, our hot-melt adhesive formulation, compared to others in the domestic market, comes at a higher cost but offers superior resistance to yellowing. Under proper storage conditions (unopened and sealed), our adhesive inkjet paper can be preserved for 3-6 months (half a year).

Environmental responsibility is a core value at Koala. We actively explore eco-friendly adhesive alternatives to reduce the environmental impact of our products. By prioritizing sustainability, we aim to contribute to a greener future.

Collaboration with industry partners and continuous improvement practices are integral to our approach. We value feedback from our users and actively seek input to enhance the performance and user experience of our adhesive inkjet paper. By staying informed about the latest technological advancements, we ensure that our products remain at the forefront of innovation.


Adhesive inkjet paper has revolutionized the printing and display of images, offering convenience and versatility in various industries and applications. However, it is important to acknowledge the common challenges associated with adhesive inkjet paper and understand how to effectively address and mitigate them.

Koalapaper recognizes the importance of continuously improving their products and processes to minimize these challenges. Through extensive research and development, they strive to develop innovative solutions that mitigate yellowing, reduce adhesive overflow, prevent curling, enhance adhesion performance, minimize VOC emissions, and stabilize pricing.

Koalapaper is committed to delivering high-quality adhesive inkjet paper that meets the diverse needs of users. Through their dedication to quality, advanced manufacturing processes, and environmental responsibility, Koalapaper continuously strives to enhance the performance and reliability of their products. By collaborating with industry partners and staying abreast of technological advancements, Koalapaper remains at the forefront of adhesive inkjet paper technology, providing exceptional printing experiences to customers worldwide.

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