The principle and function of polyurethane foaming machine
Publish Time: 2020-07-17 Origin: Site
Polyurethane foaming machine is the black material (isocyanate, also called crude MDI) and white material (combined polyether) are fully mixed according to a certain ratio (the conventional ratio is 1:1) Combine the output, the two raw materials after the output react chemically, start to expand and foam, and finally A foam foam with uniform and closed cell holes is formed.
Features:
According to the spraying state of the raw material from the nozzle of the polyurethane foaming machine, it is classified into spraying patterns and pouring patterns;
Examples of spraying patterns | Examples of pouring patterns |
Spray polyurethane foam machine use:
Insulation and waterproofing of building exterior walls and roofs-integration, cold storage, grain storage, chemical plant storage tanks and pipes, etc.
Use of infusion polyurethane foaming machine:
Solar water heater barrel, insulated water tank, stainless steel water tank, car portable refrigerator, beer barrel, anti-theft door, cabinet, plate, on-site foam packaging, aluminum profile cavity, etc.