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International Standards

ASTM D1210

Introducing ASTM D1210 - Industrial Physics

ASTM D1210 is a global ASTM standard for testing the fineness of grind of pigmented products using a Hegman-type grindometer. 

If you make coatings and inks, or simply test them during a production process, then fineness of grind testing is essential. It’s a simple yet effective way to measure the uniformity of pigment particles they contain. Fineness of grind testing makes sure that your pigment particles are consistent. It can also help to check that a test material meets the agreed specification. 

When people make pigmented products, the pigment is usually dispersed in a portion of the vehicle in some sort of mill. A fineness of grind test is necessary to judge if the pigment agglomerates have been sufficiently broken up. The ASTM D1210 test method describes a way of judging whether the finished film coating will offer the smoothness expected. 

The greatness of grindometers

If you want to get involved in ASTM D1210 standard testing then you’ll need a fineness of grind tester. They’re known by several names including grind gauge and grindometer, but they all do the same job: to indicate the fineness of grind, or the presence of coarse particles, in a dispersion.  

The scale of the grindometer is chosen to match a desired measuring range, its accuracy and the laboratory technician’s experience. Grindometers with very low ranges require the most demanding of evaluation skills.  

Grindometers are used at various stages of the paint manufacturing process. They’ll tell you if the dispersing and grind process is complete and can give you information on the texture of your sample.  

ASTM D1210 testing equipment 

So, how can Industrial Physics improve your ASTM D1210 testing?  

Our hardened, stainless steel fineness of grind gauges accurately measure the uniformity of particle dispersion to international standards. So you won’t end up with oversized particles or inconsistent dispersion problems.  

TQC Sheen grindometer DIN-ISO 

TQC grindometers and fineness of grind gauges are precision instruments to determine particle size and fineness of many materials like paints, lacquers, pigments and filler. 

Your global test and inspection partner for ASTM D1210