Cold storage door refers to a door installed in cold storage equipment, freezing warehouses and other freezing environment equipment to provide insulation and sealing.
Production method:
There are generally two production methods for cold storage doors: one is to spray polyurethane foam into the prepared frame, and the other is to use heat insulation panels.
When making cold storage doors, polyurethane insulation boards are generally used because they not only have great strength, but also have good insulation effects.
Common types of cold storage doors include manual sliding doors, electric sliding doors, vertical lifting doors, hinged doors, free doors, return doors, etc; Generally speaking, doors used for insulation in other special places are also included in cold storage doors, such as air conditioning doors, slaughterhouse doors, etc.
According to the different places of origin, it can be divided into imported doors and domestically produced doors.