GOST 4765

Introducing GOST 4765-73 – Industrial Physics

GOST 4765 is a GOST testing standard to determine the strength of paints and varnishes using an impact resistant testing method.   

This GOST testing method determines the maximum height at which a falling load of a specified mass doesn’t cause visible mechanical damage on the surface of a paint-coated plate. 

The GOST series of international technical standards is maintained by the Euro-Asian Council for Standardization, Metrology and Certification (EASC). This is a regional standards organization operating under the auspices of the Commonwealth of Independent States (CIS). 

 Impact resistance testing for paint

The impact resistance test for paint reveals a coating’s ability to withstand mechanical stress and prevent damage upon impact. This evaluation is useful for surfaces exposed to potential impacts or abrasions in real-world scenarios.  

There are several impact resistance testing methods including the falling weight test and the Gardner impact test. In these tests, a specified weight or impactor is dropped onto a coated panel, and the extent of damage, such as cracking or chipping, is observed and measured. This evaluation helps manufacturers and quality control teams ensure that the paint coating meets performance standards and maintains its protective integrity in demanding environments. 

Industrial Physics impact resistance testers

So, how can Industrial Physics improve your GOST 4765 paint impact resistance testing? 

TQC Sheen Impact Test
The TQC Sheen Impact Test will quickly and accurately determine the impact resistivity and flexibility of most coatings. It’s a dual scale impact testing device that will help you to finesse your paint production, surface finishing and powder coating applications. 

Need reliable impact testing solutions? Get in touch

We’ve learnt a thing or two about impact testing over the decades. Now Industrial Physics is recognized as a brand that likes to bring new, innovative paint impact testers to market.  

We like to share our knowledge and we’re here to help you to answer your questions about paint testing. Across the knowledgebase section of our website we publish lots of blogs on related subjects 

For example, there’s our exploration of various types of impact testing equipment. Which could be followed up with this blog on how to assess the quality of car paints. 

If you have any questions about GOST 4765 and how we can help you with your paint impact testing, then just get in touch!  

Your global test and measurement partner for GOST 4765