Pettit 121 Spray Thinner is a fast evaporating thinner used to reduce most Pettit, Z*Spar and Shipendec products before spray application. This thinner flashes out rapidly.

Recommended Use: Thin the paint about 10% to 20% and mix thoroughly. For better calculation of the proper spray viscosity, the reduced paint can be checked with a viscosity cup. Enamels should be thinned to about 20 to 25 seconds viscosity in a #2 Zahn cup.  Pettit #12121 Spray Thinner

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