A polymer compound, Polyurethane is versatile and has lots of uses. This is used in the manufacturing, fuel and marine industries, among lots of others. This is among the prime factors why it is present as a liquid prior to molding and casting. The material is thus allowed to be developed into varied shapes, to meet various industrial or individual requirements. Know about 3 of the different techniques that are commonly used for custom polyurethane molding.

Injection Molding

It extends the advantage of production of high volume with the help of robust metal molds. This may be used for varied parts, small as well as big. The technique involves extremely high pressure for the injection of polyurethane into a mold, followed by curing. When injection molding is used, there can be many cavities in the mold for different complex shapes.

Compression Molding

In this technique, heated compression material and heated mold is used. Then, the material is exposed to high pressure, so as to make it come in contact with all the mold parts. Until the completion of the curing, the material happens to be kept under pressure and heat. For high volume, Compression polyurethane molding is perfect. This is lower in cost and quicker than plenty of other molding techniques. It is used by the equipment sandblasting industry and more.

Extrusion Molding

It makes use of unformed shape or polyurethane blank for making a cross section of the component desired. Many shorter pieces or an extremely long finished product can be produced in this way.

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