SPRAYING METHOD

SPRAYING METHOD

In this method the spray device consisting of the gun and the aggregate with the resin containers with a hardener and fiber, and the air compressor are used. This forming consists in simultaneous feeding resin and hardener to the muzzle of the gun and cut into staple fibres of 3 – 5 cm. Resin and hardener (at a pressure of 0.1 – 0.3 MPa) through two nozzles towards the covered surface  are injected with the gun. The chopped fiber is ejected from the third hole, which is mixed and moistened with polymer in the air. The finished product is obtained by applying the 2 mm thick composite layer and then compacting it with rubber rollers. The scheme of the method is shown in Figure

 

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