left over from a paving project. six bags, never opened, never left outside.
from selectstoneohio.com/product/dura-denz-polymeric-sand-granite-50-bag/
Dura Denz Polymeric Sand is a joint stabilization sand that offers long lasting durability and superior strength when it comes to your pavement joints. Formulated with a blend of native sands and polymer binders; that once activated, allows the joints to expand and contract with the elements as such as freeze/thaw cycles. Dura Denz Poly Sand prevents sand erosion from pavement joints caused by rain and other water run-off, deters weed growth and insect infestation, and reduces overall pavement maintenance. You can be assured that Dura Denz Polymeric Sand will not discolor the surface or leave behind a haze, when installed correctly. Designed and tested in conjunction with the Americana Collection pavers; the Dura Denz Polymeric Sand, as well as Dura Denz Sealers, promotes a system sell of pavers; built to our specifications, delivering both on quality and consistency.