This document includes stain and chemical resistance testing results of Durasein brand solid surface in accordance with CSA B45.5-17/IAPMO Z124-2017. Six (6) 15″ by 15″ panels of solid surface material were submitted. The panels were prepared in accordance with section 5.11.1(b) by wet rubbing, two drops of each reagent were placed on the surface. One drop was covered with a watch glass while the other was left exposed to ambient laboratory conditions for 16 hours. At the end of the exposure, samples were rst cleaned and then evaluated for defects and were rated 1 – 5.