Resistant to water (non-hygroscopic) – does not absorb moisture.
Not resistant to solvents – dissolves in chemicals like acetone, benzene, and some adhesives.
Non-biodegradable – environmentally persistent unless recycled.
Other Characteristics
Easily cut and shaped – can be cut with hot wire or sharp blades.
Flammable – burns easily, sometimes treated with flame retardants.
Cost-effective – inexpensive compared to other insulation materials.