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Polyurethane foam insulation molding technology and construction method
Polyurethane foam insulation molding is to stir materials at room temperature to make them mix and react, and then quickly pour them into the space that needs to be molded. During the construction process, the reaction foaming time should be controlled so that the stirred mixture is poured into the
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What is polyurethane black and white material? What are the features?
PU rigid foam composite polyether is one of the main raw materials of polyurethane insulation materials. PU rigid foam composite polyether is also called white material, together with polymer MDI, it is called black and white material. Black and white materials are suitable for building heat preserv
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Characteristics and advantages of polyurethane pultrusion process
In recent years, polyurethane resins have made their composites stand out due to their good toughness, fast curing speed, and no styrene smoke. With people's mastery of polyurethane molding technology and progress in controlling its reactivity to extend its service life, polyurethane has long entere
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How to choose materials for farm insulation? What is the effect of polyurethane in the insulation room?
1. Site selection skills  The location of the thermal insulation house of the breeding farm should be a place with a leeward wind and sunny, high terrain and dry soil.   2. Alternative insulation materials for the insulation room of the farmExtruded polystyrene foam (extruded board), molded polystyr
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Analysis on the construction technology and basic treatment of polyurethane rigid foam
Polyurethane rigid foam is a material with a large amount of flexible deformation. It has strong resistance to external deformation. It is not prone to cracks under the action of external force, temperature deformation, dry and wet deformation, etc., effectively ensuring the stability and durability
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