Preventive maintenance testing made easy Dependable Products make Dependable results Fifty Five years of manufacturing experience, producing the same high quality products, puts The Gerin Corporation ahead of just about anyone else in the business. We simplify laboratory test methods to make dependable field test screening easy. Gerin Products Overview Viscosity by the Gerin Falling Ball Viscosity Test Method- Total Acid Number by the Gerin KOH Ampule Test Method- Interfacial Tension by The Gerin IT-9 ASTM D 2285 Water Drop Weight Test Method- Oil Color by The Gerin PSB-97 Oil Colorimeter Test Method- The Gerin Corporation 1109 Seventh Avenue Neptune, NJ 07753 Tel: 732-774-3256 Fax: 732-774-0274