PENNCHEM Tile Grout is a two component, silica-filled, vinyl ester resin based tile grout. Supplied as a filler and resin, the components are field mixed to a pourable tile grout consistency for the grouting of side (head) joints of chemical-resistant brick or tile. PENNCHEM Tile Grout meets ASTM C658 - Standard Specifications for Chemical- Resistant Resin Grouts for Brick or Tile. Check with Corrosion Engineering for details. Consult Corrosion Engineering specification CES-309 for complete installation details.