Solvent composition used to clean polyurethane foam generating equipment

In a method for cleaning polyurethane foam generating equipment which comprises purging or rinsing said equipment or a portion thereof with a solvent, the improvement of using as said solvent a composition which is comprised of

• a. a halogentated aliphatic hydrocarbon having 1-12 carbon atoms and containing only carbon, hydrogen, and halogen atoms in the molecule and
• b. an aliphatic monohydric alcohol having 1-20 carbon atoms and containing only carbon, oxygen, hydrogen and optionally halogen atoms in the molecule,
• the weight ratio of (a):(b) ranging from about 1:1 to about 12:1.