Laboratory Air Knife Coater is intended to coat the sample sheet materials in 10” X 12” size. The design guarantees uniform coating of the coating medium on to the test specimen. The laboratory coater is eminently suitable for the coating of latex, ink, lacquer and plastic dispersions etc. A sample of standard size fixed on the top of the movable steel plate, The amount of air that regulates the coating weight is adjusted by the regulating transformer and the coating dispersion or pigment formula is poured close the air knife across the paper. A uniform coating on the sample is formed with the help of forced air.