Quenchants and Stop-Offs with Real Advantages!

Authentic Park products, identified by the red oval, include Polyquench 15XN, a water-based, nitrite-free polymer that deposits a lubricious, non-sticky film that precisely controls heat transfer, and washes off with water. Also: AAA Quench Oil and No. 420 (“medium hot”) quench oil provide maximum hard- ness, near-zero distortion. New! No Carb Green, a water-soluble, environmentally safe, stop-off for gas, vacuum or pack carburizing. Apply with brush, spray or immersion.