What is the Difference Between Hot Melt and Acrylic Tape?

Hot melt and acrylic tapes are two types of adhesive tapes used for various packaging applications. They have distinct differences that make them suitable for different purposes:

1. Adhesion Strength: Hot melt tapes exhibit a significantly higher adhesion compared to acrylic tapes, offering superior holding power and tensile strength with quick tack. Acrylic tapes have a lower viscosity, allowing them to adhere better in dusty or humid environments.
2. Temperature Range: Acrylic packing tapes perform well in a wider temperature range, from 32°F to 140°F, while hot melt tapes perform well in temperatures ranging from 45°F to 120°F.
3. Application Conditions: Acrylic tapes are ideal for packaging applications involving extreme temperatures, such as refrigeration, and for sealing boxes that will be warehoused over a long period of time. Hot melt tapes, on the other hand, are great for machine-applied tapes, overstuffed cartons, or cartons with a high degree of recycled content.
4. Color and Aging: Hot melt tapes can yellow with age, whereas acrylic tapes are less likely to yellow over time.
5. Resistance to Oxidation: Acrylic tapes have a stronger resistance to oxidation, allowing them to be unaffected by exposure to sunlight.

In summary, hot melt tapes are generally stronger and more suitable for heavy bundling and packaging, while acrylic tapes are better for applications involving extreme temperatures or humidity. The specific application and requirements determine the most appropriate type of adhesive tape to use.

Comparative Table: Hot Melt vs Acrylic Tape

Here is a table comparing the differences between hot melt and acrylic tape:

Hot melt tape has a higher initial tack and is ideal for short-term storage and shipping, while acrylic tape is more long-lasting and suitable for long-term storage and shipping. Acrylic tape is also more resistant to cold temperatures and is generally more affordable than hot melt tape.