Which is the hardness of quartz. The science behind this is difficult to explain, but the performance of the product speaks for itself. At Pearl, we continue to bring you the best of the best products. Products that you can use yourself or sell to others as a service or commodity. Visit John Mejia Facebook for more amazing work at http://bit.ly/2cjrm33 at Detail Geek. and for Interested Distributors and Dealers in Pearl Nano please contact
Dave: Dave@PearlUSA.net or Call: 808 779-7163
