Standard^ High-Viscosity Standard, N450000, used for calibration and verification procedures for all types of viscometers, including glass capillary viscometers, rotational viscometers, falling ball 5L This listing is for Each Standard^ High-Viscosity Standard, N450000, used for calibration and verification procedures for all types of viscometers, including glass capillary viscometers, rotational viscometers, falling ball viscometers, cup viscometersmeet ASTM D 2170 and D 2171, 0.5L This listing is for Each