PERMACOLOR® Grout is a high performance grout that provides a grout joint that is dense, hard and will resist cracking.
The current Health Product Declaration (HPD) v2.1.1 does not list any nanomaterials for this product, however, the prior Health Product Declaration (HPD) v1.0 listed an Undisclosed (Proprietary) Binder comprised of nanoscale particles or nanotechnology, 6-9% by weight.
available online (see product link)
The Health Product Declaration® (HPD) provides "a transparent and unbiased framework for manufacturers to cost effectively report material health information." Visit the HPD Collaborative website to learn more about this effort to improve "practices of reporting, disclosure, specification and selection of building products."