Every cell phone is expected to deliver good acoustic quality. Even the most basic phones meanwhile produce good audio quality and are suitable for listening to music. The highest-end cell phones are equipped with up to three mini-loudspeakers. In close cooperation with technology and market leaders in the mini-loudspeaker industry, DELO has developed modern adhesives and curing equipment to respond to the new challenges in this industry.

Our light-curing adhesive DELO PHOTOBOND connects, as an example, membrane to coil, cover to membrane, etc. Furthermore, they are adequate for membrane damping, wire fixing, contact sealing and speaker box bonding. DELO MONOPOX or DELO-ML is used for bonding the magnet system.

Adhesive properties

  • High adhesion to many materials such as metal, ferrite and many plastics
  • Reliability under harsh conditions: Very good resistance to humidity and elevated temperatures
  • Maximum preservation of acoustic properties
  • Adhesives for multiple assembly steps
  • Easy and fast dispensing with standard equipment
  • Very fast curing (1 s) with DELO light curing equipment
  • Passing of high-power speaker qualification tests


Customized Adhesives
PDF-File, 3.1 MB
For Display and Touch Panel Bonding
PDF-File, 3.0 MB
Adhesives, Advantages, and Application Areas
PDF-File, 4.7 MB
PDF-File, 0.9 MB