Method for determining the viscosity of coatings

1、 International standard for measuring paint viscosity using an outflow cup

① ISO 2431-1993 Paints and Varnishes.

Measure the flow time using a flow cup (using an ISO flow cup) to test the flow time of Newtonian or approximately Newtonian liquids, and the result is expressed in seconds.

② ASTM D 5125-1997

The standard test method for determining the viscosity of coatings and related materials using the ISO flow cup method (using an ISO flow cup) is used to test the flow time of Newtonian or approximately Newtonian liquids, and the results are expressed in seconds.

③ ASTM D 4212-1999

The test method for measuring viscosity using an immersion type viscosity cup, using an immersion type viscosity cup to measure viscosity, and the result is represented by s.

2、 International standard for measuring the viscosity of coatings using a rotational viscometer

① ASTM D 562-2001

Standard test method for measuring the viscosity of coatings used in Krebs units using a Stormer viscometer. The standard specifies the method for determining the viscosity of coatings using a Stomer viscometer, and the results are expressed in grams and Krebs units (KU).

② ASTM D 4287-2000

Standard test method for determining high-speed shear viscosity using a cone plate viscometer. The standard specifies the method for determining the viscosity of coatings using a cone plate viscometer under high-speed shear conditions (12000 s-1), and the results are expressed in mPa · s.

③ ISO 2884-1-1999

Paint and varnish, determine viscosity using a rotary viscometer. Part 1: Cone and plate viscometers for use at high shear rates. The standard specifies the method of using a cone plate viscometer to determine the viscosity of coatings under high-speed shear conditions, and the results are expressed in mPa · s.

④ ISO 2884-2-2003

Paint and varnish, viscosity measured using a rotary viscometer. Part 2: Disc or ball viscometers operating at a specified rate. The standard specifies the method of using a disc or ball viscometer to determine the viscosity of coatings, and the results are expressed in mPa · s.