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Adhesive Education Series: Understanding Types of Pressure Sensitive Adhesives (PSAs)

According to Markets and Markets, the pressure sensitive adhesives (PSAs) are projected to reach $15.76 billion by 2026. With growth in large part due to increasing end-use in packaging and transportation markets, PSAs come in several different forms and offer distinct characteristics.

Gain insight into these forms and their characteristics to understand which works best for your application needs.

  • Solvent

Types of solvent-based PSAs are acrylic, styrene block copolymer, silicone and polyisobutylene. Applied to a web or substrate, they offer excellent moisture resistance.

  • Water-borne

Water-borne PSAs are comprised of acrylic, vinyl acetate ethylene and certain elastomer types. Typically lower cost than solvent-based, these PSAs are environmentally friendly. However, they offer relative poor moisture resistance.

pressure sensitive adhesives

  • Hot Melt

Types of hot melt PSAs include polyurethane, acrylic, styrene block copolymer and polyisobutylene. Formulated with tackifying resins, oils and antioxidants, they can be extruded at temperatures to 150°F.

A leading supplier of PSAs, Bostik offers a range of solutions for the following markets:

  • Automotive
  • Aerospace
  • Rail
  • Truck
  • Bus
  • Tape
  • Label
  • Packaging

In particular, these products offer:

  • Flexible open times
  • High levels of tack
  • High resistance to plasticizer migration
  • Permanent or removable formulations

For more information on our extensive PSAs, call 800-7-BOSTIK, or visit www.bostik.com/us. You can also view other content about PSAs here.

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