High density polyurethane cold insulation pipe holder, abbreviated as polyurethane pipe holder, is a cold insulation pipe holder or cold insulation support or bracket. As a structural accessory for pipelines, polyurethane cold insulation pipe holders are suitable for supporting stress parts of low-temperature pipeline equipment with light hydrocarbons as the working medium, as well as all refrigeration and refrigerant transmission equipment and pipelines. And it is suitable for acidic and alkaline environments, as well as humid environments. Such as petrochemical plants, liquefied gas plants,