Paronite

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Asbestos - a cushioning material, producing compressing asbokauchukovoy mass, including asbestos, rubber and other powder components. Used to seal joints, in various media such as water, steam, oil and its derivatives; oxygen in liquid and gaseous states, ethyl alcohol and others. To improve its properties sometimes reinforced with metal mesh (Ferron, brand PA).

Sheet paronit (GOST 481-80)

is a product of the vulcanization of mixtures of asbestos fibers (60-70%) , solvent, rubbers (12-15%), miner. components (15-18%) and sulfur (1.2-8.0%) and then is rolled under pressure. Asbestos is a universal gasket material. At the onset pressure greater than 320 MPa begins to flow, ie flow preodalyaet limits, and all looseness in the joints are filled with material thereby sealing compounds. The thickness of the strip should be lower but it should be enough to fill all the grooves and uneven. With the increase in thickness increases the possibility of its squeezing, because it is not recommended to install thick pads. Produce sheets of thicknesses. to 6 mm, while it is easy to cut and chopped allowing excision therefrom shaped gaskets. It is also the most common material for the average diameter of the reinforcement pads.

Asbestos is used in areas with different types of climate. In the case of tropical climate gasket produced using fungicides. PMB-1 and the PC can operate in tropical climates without further additives. If the diameter of the gasket is larger than 1500 mm, they can be made in the joining of the "dovetail" or the overlap. In the case of joining overlapping cut produce an inclined with respect to the glued end.

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