What you are talking about would be a powder coating gun. They use compressed air to spray the powder. https://www.powdercoatguide.com/2012/11/getting-into-pow

What you are talking about would be a powder coating gun. They use compressed air to spray the powder. https://www.powdercoatguide.com/2012/11/getting-into-powder-coating-equipment.html https://www.powdercoatguide.com/2012/11/getting-into-powder-...