The principle and function of polyurethane foaming machine

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.