Polyurethane rigid foam (PU) and its variant polyisocyanurate or rigid polyiso foam (PIR) can be used in the core of sandwich panel. But what are the difference between them, and why should it matter?
Polyurethane rigid foam (PU) and its variant polyisocyanurate or rigid polyiso foam (PIR) can be used in the core of sandwich panel. But what are the difference between them, and why should it matter?
Sandwich panels are used in applications where a combination of high structural rigidity and low weight is required. Polyurethane sandwich panel applications, types and characteristics are explored