Heatbath Corp./Park Metallurgical
Polyquench 15XN polymerPolyquench 15XN is a water-based, nitrite-free polymer that deposits a lubricious, non-sticky film that precisely controls heat transfer. It washes off with water. Other products include AAA Quench Oil and No. 420 ("medium hot") quench oil, which provides maximum hardness and near-zero distortion.
Info # 275 or www.IHadinfo.cc