ASTM D1824-24 pdf download,Standard Test Method for Apparent Viscosity of Plastisols and Organosols at Low Shear Rates. 1.1 This testing procedure is intended for the assessment of plastisol and organosol viscosity at reduced shear rates. 1.2 The measurement of apparent viscosity at elevated shear rates is addressed by Test Method D1823. 1.3 The figures provided in the International System of Units (SI) are considered to be the normative values. The values presented within brackets are provided for reference purposes only.