Gumming is one of the ways corrosion protection materials. Gumming - the application of a rubber layer on the surface exposed in service to the aggressive environment (acids, alkalis, gases).
The rubber compounds used in the gumming apply to the metal surface, to which it connects during vulcanization. So only apply high quality rubber mixture.
Gumming - effective method of corrosion protection of metal surfaces from corrosive media such as organic acids, alkalis, salt solutions. This method has several advantages over other methods of rust protection, namely low:
- it has a high water resistance and chemical resistance;
- abrasion resistance;
- resistance to dynamic load variations;
- resistance to extreme temperature fluctuations;
- it has a low gas permeability.
With gumming, increasing wear resistance and temperature resistance metals reach. This method protects metal surfaces of various products, including shafts, used in various industries. Such protection can significantly increase the service life of the shafts. It should be noted that after processing the product does not acquire and dielectric properties. Objects are often exchanged gumming tank and tanks for storage and transport of acids, alkalis and other corrosive substances.
When performing the rubberizing wear reduced metal surfaces and applied a new layer, using raw rubber, silicone, polyurethane.
Gumming is done by hot or cold fixing.
By means of hot rubberizing attachment (without using a mold or using it) of crude rubber is connected to the metal surface during vulcanization. It uses high quality silicone rubber and mixtures thereof.
When fastening by cold rubberizing vulcanized rubber adheres to the metal surface with an adhesive. In this case, we use special glue that works not only mechanically but also chemically.
We must pay particular attention to the method of gumming rollers - extrusion. This method makes it possible to produce the highest quality cover, and provides a significant increase in service life of the shafts. When performing this method is also used only high quality rubber mixture.
Processes gumming equipment with large geometric dimensions, which are produced in place of installation.
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