01/11/2019 - 10 min
Hot Melt vs. Water-Based Pressure Sensitive Adhesives for Tapes and Labels
A converter’s available coating methods often determine the type of pressure sensitive adhesive for tape and label construction However, it’s important to understand the technologies’ advantages and fit within the market to ensure desired end-use performance.
Take a look at two prominent types of pressure sensitive adhesives and why they are ideal for many tape and label applications.
Synthetic Rubber-Based Hot Melt Pressure Sensitive Adhesives
Synthetic rubber-based hot melt adhesives work well for tape and label construction, offering the following advantages:
- Quick, high strength bond
- Ability to bond to both high and low surface energy substrates
- Excellent performance in high humidity environments
Additionally, hot melt pressure sensitive adhesives allow converters to use a higher coat weight than other options, if needed. They also can be formulated for both freezer grade and refrigeration applications. Possessing superior tack and peel, this feature increases their converting flexibility. Hot melt pressure sensitive adhesives are able to bond to both rough and smooth surfaces as a result.
Acrylic Water-Based Pressure Sensitive Adhesives
Another type of adhesive technology is acrylic water-based. These pressure sensitive adhesives possess the following advantages:
- Excellent adhesion to polar substrates
- Good transparency retention
- Resistance to extreme environmental conditions
Depending on the formulation, acrylic water-based pressure sensitive adhesives can perform in a wide temperature range and in adverse conditions. They also can offer UV resistance and some chemical resistance, helping converters more easily meet certain end-use application needs. Additionally, acrylic water-based pressure sensitive adhesives can be formulated to leave no residue, making them ideal for surface protection and removable applications.
When to Use Hot Melt vs. Water-Based Pressure Sensitive Adhesives
While both hot melt and water-based pressure sensitive adhesives are designed for tape and label construction, it’s important to consider the end-use application needs when determining which technology to choose.
Bostik’s team of technical experts can help. Specializing in both hot melt and water-based tape and label adhesives, Bostik offers extensive knowledge and capabilities to ensure the right adhesive is chosen for even the most stringent tape and label needs.
To learn more about pressure sensitive adhesives for tapes and labels, view these relevant blog posts:
- 4 Considerations to Make When Choosing Pressure Sensitive Adhesives
- Factors That Affect Pressure Sensitive Label Adhesion
- How Pressure Sensitive Adhesive Tape Helps Daily Life
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