What is polyurea?
A two-component coating sprayed with heated high-pressure equipment that gels in seconds into a seamless, highly elastic membrane. Originally developed for heavy industry, it is now used where durability and fast return to service matter most.
Properties
- Gel time 3–10 seconds.
- Tensile strength 14–21 MPa.
- Elongation 300–600%.
- Service range -40 to +120 °C.
- Service life 20–30 years.
Compared
| Polyurea | PU foam | Epoxy | |
|---|---|---|---|
| Cure time | Seconds | Hours | Hours |
| Thermal insulation | — | Excellent | — |
| Chemical resistance | Very high | Medium | Good |
| Flexibility | Very high | Medium | Low |
FAQ
Is polyurea safe for drinking-water tanks?
Yes, when an NSF/ANSI 61 certified grade is used.
