Unfortunately, particle images and size distribution data are not available.
Regarding the use of this material as a coating additive, more information is needed. The information you are requesting can be supplied by our Technical Service team who can assist you further. We kindly ask you to navigate to the link https://www.sigmaaldrich.com/techservice, and click on "Product Technical Inquires" under the Products Section with all the required information so that a member of our team can reach out to you to assist further. Thank you.