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Principle and application of polyurethane foaming machine

Polyurethane foaming machine is a special equipment for pouring polyurethane foam plastics. As long as the properties of polyurethane components (isocyanate components and polyether polyols components) meet the requirements of the formula. Through polyurethane foaming machine can produce uniform, qualified foam products.

Principle of polyurethane foaming machine:


A and B components of the raw liquid, after accurate ratio and high-speed mixing, by two high-precision metering pumps, A and B components of the liquid to the mixing head. After high speed strong stirring, make the material liquid even and eject, form the required product. From the power classification can be divided into: high speed impeller type, high pressure air type, drum wind low pressure type. A complete polyurethane foaming machine is composed of the following systems: material flow system, metering system, gas path system, heating system, cleaning system, mixing device.

Application of polyurethane foaming machine:

It is based on polyether polyol and polyisocyanate in the presence of foaming agents, catalysts, emulsifiers and other chemical additives, through chemical reaction foam and made of plastic foam. Polyurethane foam machine can be used for automobile interior decoration, thermal insulation wall spraying, thermal insulation pipe manufacturing, bicycle and motorcycle seat sponge processing.


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