There are several types of low-density hollow microspheres to consider when choosing a microsphere for your application. Thermoplastic, glass, ceramic and phenolic beads represent the main family of microspheres from which to choose.
The challenge is determining which type will be the best choice for your application. This will depend on your process and the goal of your product characteristics.
For the following comparison, we are going to focus on Dualite thermoplastic microspheres vs. hollow glass microspheres: