Crack Injection Material: TxDOT Type IX low-viscosity epoxy resin (ASTM C 881 Type IV, Grade 1) typically consists of two liquid components that are combined automatically during the pressure injection process.

Epoxy for Sealing the Surface of Cracks: TxDOT Type V or VII concrete epoxy adhesive. Use only material that is approved by TxDOT and the crack injection material manufacturer.

Refer to and for

Epoxies and Adhesives

for additional information. Also refer to approved manufacturers and products list.

Use material not included in the approved MPL only if authorized by the Engineer.