What Are Advantages Of Polyurethane Cold Room?
What Are The Advantages Of Polyurethane Cold Room?
In the Polyurethane cold room project, more than 90% of the cold room installation is made of polyurethane materials. So why so many people choose polyurethane cold room? Let's introduce the advantages and characteristics of this material in detail.
Polyurethane cold room has the internal materials of a lightweight polyurethane cold room. Polyurethane has good benefits. It is composed of external SII, PVC color steel plate and stainless steel plate. This advantage is to prevent the cold room plate from having a more energy-saving cold room and improve the working efficiency because of the temperature difference inside and outside.
Rigid polyurethane has low thermal conductivity and good thermal properties. The polyurethane cold room is moisture-proof and waterproof. The rigid polyurethane with a closed porosity of more than 90% belongs to the hydrophobic material. It will not increase the thermal conductivity due to moisture absorption, and the wall will not leak.
Polyurethane cold room board also has the characteristics of flame retardant and high-temperature resistance. After adding flame retardant, polyurethane is a kind of material that is difficult to burn and will self extinguish. Its softening point can reach more than 250 ℃. Decomposition occurs only when the temperature is particularly high. In addition, it will also form a layer of ash on the surface of the foam when it burns. This layer of ash helps to isolate the foam below and effectively prevent the spread of fire. In addition, polyurethane will not produce harmful gases at high temperatures.
Because the polyurethane board has excellent heat preservation performance, under the same heat preservation condition, it can reduce the thickness of building outer envelope structure, thus increasing the indoor use area.
In addition, the polyurethane cold room also has strong deformation resistance, not easy to crack, stability, security, and other characteristics. The pore structure stability of polyurethane is basically a closed-cell structure, which not only has excellent heat preservation performance and freeze-thaw resistance but also has good sound absorption performance. The life expectancy of rigid foam polyurethane insulation structure can reach more than 30 years under normal use and maintenance.
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