Wednesday, 22 June 2016

Foam and Uses of Polyurethane Type of Foam

Foam is composition of chemicals like polyol 50 %, polyisocyanates 40 % and water 10 %. The two chemicals are liquid polymers and when they are mixed with water, they produce heat generating reaction to form the polyurethane .The foam is a product that is formed with tapping of gas in the solid or liquid. In most of the foams, the gas volume is large and it is separated by the thin films of liquid or solid.

Polyurethane are used widely in sofas, beds in cars and in lot of everyday items used by people. The largest used of polyurethane is in insulting building during winter and summers months. It is the affordable and durable way of checking the emissions of carbon dioxide that causes global warming.   In several countries, the polyurethane foam is used to prevent lose of heat in winter conditions. And during the summers, it keeps building cools. As insulator, the polyurethane is used in roofs, cavity walls, around boilers, and pipes. The rigid form of polyurethane is used in refrigerators and freezers. This form of foam plays an important role in the preservation of food during processing, storage and distribution.

Polyurethane is Batch Foaming Machine Manufacturer in India an important part in the modern furniture and homes. This flexible polyurethane is soft but at the same time provides support and durability while maintaining their shape. That is the reason, why they are used for seating cushions and mattresses. This foam can adapt to the shape of the body and support it but immediately come to the original shape of own, when the weight is lifted. This type of foam is generally used in hospitals, where the patients have to take bed for longer periods. The reason why this foam is used in beds in hospitals is that it prevents the bed sores or pressure sores in people.

The polyurethane is also the only foam that is used for shoe soles because of its waterproof ability and excellent mechanical properties. They are widely used in sports shoes, trekking shoes, high fashion shoes and safety shoes for industrial uses.

In automobiles, Foam Machine Manufacturer in India  the polyurethane is found in car a seat, head rests, arm rests to reduce the fatigue of drivers. They are light and have high durability, which makes them an excellent choice for cushioning industry.  They are also used inside the cars, in engines to get protection against heat and noise of engines. Their addition makes no impact of the car, because they are light yet strong.


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