Knowledge Base
ASTM D562
Introducing ASTM D562 – Industrial Physics
ASTM D562 is a global ASTM viscosity testing method to measure the consistency of paints using a stormer-type viscometer.
Viscosity testing is recommended for materials like inks, paints, varnishes and coatings or organic or inorganic surfaces. It can also be used to test everything from foods and beverages to chemicals or adhesives. There are a variety of different testing methods that can be used to test different kinds of samples.
This ASTM method measures the viscosity of paints using Krebs units (KU). These are values of a scale commonly used to express the consistency of paints applied by brush or roller.
ASTM D562 checklist
To follow the ASTM D562 method you’ll need the following items, all of which we supply:
Stormer-type viscometer
Designed in 1909 by Edward J. Stormer, chief chemist of the Case Threshing Machine Co. of Wisconsin, the original design consisted of a falling weight that caused a component to rotate at constant speed through a viscous liquid. The viscosity testing technology has moved on a little, but the clever concept remains.
Stopwatch
Or a suitable timer measuring to 0.2 seconds.
Weights
A set covering the range from 5 to 1000g
Standard oils
Calibrated in absolute viscosity, within the viscosity testing range of the coatings to be measured.
ASTM D562 testing equipment
So, how can Industrial Physics improve your ASTM D562 testing?
Designed and built by TQC Sheen, this modern testing machine is based on the popular traditional Krebs method, using a weight-driven rotating paddle to sense the paint viscosity at a constant 200 rpm. The torque induced is proportional to the viscosity of the sample and may be converted into viscosity or weight units.
Need ASTM testing solutions? Get in touch
We have been testing paints for decades and like to share our knowledge with our customers. If you’re interested in reading a few viscosity testing tips then check out these two pages: ‘how to measure viscosity’ and ‘types of viscometer.’
You may also find the Industrial Physics viscosity testing calculator helpful. To give it a go just click here.
Don’t let any viscosity testing shortfalls lead to any sticky situations for your quality control!
Contact us – Industrial Physics
Your global test and measurement partner for ASTM D562
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TQC Sheen Krebs Viscometer
The TQC Sheen Krebs Viscometer DV2300 is a digital rotational viscometer that measures paint and coating viscosity using the KREBS method - a paddle rotating at a constant 200 rpm in a fixed volume of sample. It converts torque into three simultaneous outputs: Krebs units (KU), centipoise (cP) and grams (g), with automatic unit conversion shown on the LCD display. Used by paints and coatings QC laboratories, paint manufacturers, automotive OEM coating suppliers, printing ink producers, adhesive manufacturers and cosmetics QC labs, the DV2300 supports ASTM D562 Krebs-unit specifications alongside direct viscosity readings for a wide range of Newtonian and near-Newtonian fluids.
