Saybolt Class A Viscosity Flasks (9729N22)
- Calibrated to contain 60 mL; tolerance to 0.05 mL
- With large hemispherical tip, heavy walls and reinforced rim
For ASTM standard D 88; API standard 518; ANSI method Z11.2; AASHTO standard T-72; Federal Test Method Standard No. 791, method 304.7. With spot for marking