Sandwich Panel

Polyurethanes are being used in the production of high-performance insulation materials with light, modern, durable and versatile properties for the construction industry.

Both polyurethane foam (PUR) and polyisocyanurate foam (PIR) are produced from two components, a mixture of isocyanate (MDI) and polyol. While MDI and polyol components for PUR are applied in a balanced ratio by comparing their molecular mass, PIR production uses a high amount of MDI and additives to react to this excess MDI. PIR insulation products have excellent combustion performance and reduce flammability as a result of special additives and reaction of MDI surplus.

Due to the closed cell structure, both PUR and PIR have excellent thermal insulation properties. The rigid polyurethane offers a much better lambda (thermal insulation factor) than other thermal insulation materials. The high thermal insulation performance of rigid polyurethane (PUR / PIR) reduces heating costs and reduces CO2 emissions from sources used to generate heat.

Mardas Polyurethan offers systems which are used in the production of sandwich panels, showing different features according to the needs and meeting the different demands in terms of the number of components. Systems with B1, B2 and B3 incombustibility according to DIN 4102 standard and that are in application densities of 25-44 kg/m to be applied between metal-metal, metal-membrane (PVC-TPU) used in roof and front coatings of structures such as factories, malls, cold-chamber depots, prefabricated etc.