Wednesday 29 October 2014

Spray nozzles


Quite a bit of the material we spray is solids in a colloidal suspension. This means that the nozzle can clog easily. Frequent agitation is needed to keep the material in suspension and not building up on the bottom which can clog the screen at the bottom of the tube.




You should not have long delays between spraying in one session, as the solids can begin to solidify within the spray head and so clog it.

When you have finished spraying, take the spray head off and clean it completely and thoroughly to ensure there are no solids left to harden. Then put it back together and it should be clear for the next use as well as sealing the container.




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