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Adhesive Cartridge

Single Cartridge

Dual Cartridge 10:1

Dual Cartridge 4:1

Dual Cartridge 3:1

Dual Cartridge 2:1

Dual Cartridge 1:1

Static Mixer Nozzle

MY Series

ML Series

MK Series

MJ Series

Dynamic Mixer Nozzle

Glue Gun & Caulking Gun

Tile Leveling System

Plastic Containers

Industrial Tools

Dispensing Syringes & Barrels

American Style Dispensing Syringes

New American Style Dispensing Syringes

Japan Style Dispensing Syringes

Dispensing Needles

Dispensing Accessories

Dispensing Valves

Dental Supplies
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news
contact us
quote

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About Us
China Jiangsu Adhesive Package International Co., Ltd.
Jiangsu Adhesive Package International Co., Ltd.
JAPI is a high-tech enterprise committed to the development and production of two-component products, including mixing tubes and related items.Our comprehensive range of products finds widespread application across various sectors, including home improvement building materials, electronic adhesives, spraying, and automobile sealing.we focus on market demands and continuous development. We look forward to building long-term, mutually beneficial partnerships worldwide.
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01
HIGH QUALITY
Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.
02
DEVELOPMENT
Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.
03
MANUFACTURING
Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.
04
100% SERVICE
Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.
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Latest company news about The Material Mystery of Adhesive Cartridges: PP vs. PBT-3
2025-11-26

The Material Mystery of Adhesive Cartridges: PP vs. PBT-3

PBT - The High - Performance Contender for Adhesive Cartridges​ Exceptional Mechanical and Thermal Properties​ PBT, or Polybutylene Terephthalate, is a semi - crystalline thermoplastic polyester with a set of properties that make it a preferred choice for certain adhesive cartridge applications. One of the most notable features of PBT is its high mechanical strength. It has a relatively high tensile strength, which allows adhesive cartridges made of PBT to withstand significant internal pressure from the adhesive or sealant inside. This is particularly important in applications where the cartridge needs to hold a large volume of viscous materials, such as in industrial - scale dispensing operations.​ Moreover, PBT exhibits excellent dimensional stability. Even under varying environmental conditions, PBT - made adhesive cartridges maintain their shape and size accurately. This is crucial as it ensures a consistent fit with dispensing equipment and prevents any leakage or improper dispensing of the adhesive. For example, in a two - component cartridge (dual cartridge), the precise dimensions of the PBT cartridge are essential to ensure proper mixing and dispensing of the two components.​ PBT also has good heat - aging resistance. It can retain its mechanical properties even when exposed to elevated temperatures for extended periods. This property makes PBT - based adhesive cartridges suitable for applications where the cartridges may be stored or used in high - temperature environments, such as in some automotive manufacturing processes or in industrial settings with hot working conditions. In contrast to PP, which may soften or deform at relatively lower temperatures, PBT can maintain its integrity, ensuring the safe storage and delivery of adhesives like epoxy cartridges that are often used in high - temperature - resistant bonding applications.​ Chemical Resistance and Moisture Sensitivity​ PBT shows remarkable chemical resistance to a wide range of solvents and chemicals. It can resist the corrosive effects of many organic solvents, acids, and alkalis, which is similar to PP. This property is vital for adhesive cartridges as it ensures that the cartridge material does not react with the adhesive or sealant, preserving the quality and performance of the product inside. For instance, in the case of a silicone sealant cartridge made of PBT, the cartridge can safely store the silicone sealant without any chemical degradation, maintaining the sealant's adhesion and flexibility properties over time.​ However, PBT has a notable drawback in terms of its moisture sensitivity. PBT is hygroscopic, meaning it can absorb moisture from the environment. When PBT absorbs moisture, it can undergo hydrolysis, which may lead to the degradation of its mechanical properties and the integrity of the adhesive cartridge. This moisture - induced degradation can also affect the quality of the adhesive or sealant inside, especially if the adhesive is sensitive to moisture. For example, in some epoxy - based adhesives, even a small amount of moisture can cause premature curing or affect the final bond strength. Therefore, in applications where the adhesive cartridge will be stored or used in humid environments, proper moisture - barrier packaging or additional protective measures may be required when using PBT - made cartridges.​ Niche Applications Leveraging PBT's Strengths​ PBT - made adhesive cartridges find their niche in applications that demand high - performance and reliability. In the case of two - component cartridges, especially those used for high - strength epoxy adhesives (epoxy cartridges), PBT is often preferred. The high mechanical strength and dimensional stability of PBT ensure that the two components of the adhesive are separated effectively within the cartridge and are dispensed accurately when required. The ability of PBT to withstand the chemical nature of epoxy resins and hardeners, along with its heat - aging resistance, makes it suitable for applications where the epoxy adhesive will be used in demanding environments, such as in aerospace or high - end electronics manufacturing.​ For applications where the adhesive needs to be dispensed with extreme precision, such as in micro - electronics or medical device assembly, PBT - made disposable cartridges can be an ideal choice. The precise manufacturing capabilities of PBT, due to its dimensional stability, allow for the production of cartridges with very accurate internal volumes and dispensing orifices. This precision is crucial in these industries to ensure the correct amount of adhesive is applied, minimizing waste and ensuring the quality and functionality of the final product. Although PBT is generally more expensive than PP, the added value it brings in terms of performance and precision makes it a justifiable choice in these high - end and critical applications.
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Latest company news about The Material Mystery of Adhesive Cartridges: PP vs. PBT-2
2025-11-20

The Material Mystery of Adhesive Cartridges: PP vs. PBT-2

PP - The Flexible Friend in Adhesive Cartridges​ PP's Physical Properties​ PP, or Polypropylene, is a thermoplastic polymer with a set of physical properties that make it an ideal choice for adhesive cartridges. Firstly, it has a low density, typically around 0.90 - 0.91 g/cm³, which is significantly lighter than many other plastics. This lightweight characteristic makes adhesive cartridges made of PP easy to handle and transport, reducing the overall weight burden during use, especially in applications where portability is crucial, such as in on - site construction work or mobile repair services.​ Secondly, PP exhibits excellent flexibility. It can withstand bending and twisting without easily breaking, which is beneficial for adhesive cartridges as they may be subject to various handling forces during storage, transportation, and use. This flexibility also allows for easy extrusion of the adhesive from the cartridge, ensuring a smooth and consistent dispensing process.​ Moreover, PP has remarkable chemical resistance. It can resist the corrosive effects of many common chemicals, including acids, alkalis, and solvents. This property is of utmost importance when dealing with different types of adhesives, some of which may have reactive chemical components. For instance, in the case of epoxy cartridges, the strong chemical resistance of PP ensures that the cartridge does not react with the epoxy resin and hardener, maintaining the integrity and quality of the adhesive during storage.​ Cost - Effective and Easy to Process​ One of the major advantages of PP in the production of adhesive cartridges is its cost - effectiveness. The raw materials for PP are relatively inexpensive, and the production process is also cost - efficient. PP is easy to process using common manufacturing techniques such as injection molding. In injection molding, molten PP is injected into a mold cavity to form the desired shape of the adhesive cartridge. This process allows for high - volume production with relatively low energy consumption and short cycle times.​ The ease of processing means that manufacturers can produce adhesive cartridges in large quantities quickly and accurately. The low cost of PP not only reduces the material cost per cartridge but also contributes to lower overall production costs, making PP - made adhesive cartridges more affordable for both manufacturers and end - users. This cost - advantage has led to the widespread use of PP in the production of various types of adhesive cartridges, from small - scale DIY applications to large - scale industrial uses.​ Applications in Different Types of Adhesive Cartridges​ PP - made adhesive cartridges find extensive applications across a wide range of industries due to their favorable properties. In the dental industry, dental cartridges often use PP as the material for their construction. The lightweight and chemical - resistant nature of PP are crucial in this context. Dental adhesives and materials need to be stored in a cartridge that can withstand the unique chemical environment in the oral cavity and is easy for dental professionals to handle during procedures. The flexibility of PP also allows for easy dispensing of the dental adhesive, ensuring precise application.​ For sealant cartridges, especially those used for silicone sealants, PP is a popular choice. Silicone sealants are widely used in construction, automotive, and household applications for sealing joints, gaps, and preventing leakage. The chemical resistance of PP ensures that it does not react with the silicone sealant, maintaining the sealant's quality over time. The low cost of PP - made sealant cartridges also makes them an attractive option for both professional contractors and DIY enthusiasts.​ In the case of disposable cartridges, such as disposable dual - glue cartridges, PP is often the material of choice. The cost - effectiveness of PP makes it suitable for single - use applications where cost is a significant factor. The ease of processing allows for the efficient production of these disposable cartridges, meeting the high - volume demands of industries that rely on disposable adhesive - dispensing solutions.
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