The viscosity cup is an essential tool used in the correct thinning of paint for proper nozzle selection. All Lemmer cup guns include a viscosity cup and selection chart in the manual for use with this viscosity cup. If you lose your viscosity cup you should order a replacement.

Viscosity chart-PDF

A viscosity cup is used to measure the thickness of coatings. The first step when getting ready to spray is to check the viscosity of the material and thin it if needed (check with the coating manufacturer for thinning recommendations).

Viscosity chart-PDF