​MasterRoc MP 358SC - Highly-reactive, two-component hydrophobic polyurethane injection resin for strata consolidation


How does MasterRoc MP 358SC work?

MasterRoc MP 358SC is a two-component, solvent-free polyurethane injection resin specifically designed for rapid stabilization of strata.

Recommended for use in:

  • Consolidation of broken coal in development of roadways and long walls
  • Consolidation of fractured rock in roadways, shafts and long walls
  • Sealing against gas and quasi-static water
  • Repair of cracks in concrete

What are the unique features of MasterRoc MP 358SC?

  • Fast reacting material where structural strength and flexibility are required
  • Reacted product expands its volume up to three times without being in contact with water
  • When in contact with water, the expansion factor may increase to about 8

What are the benefits of MasterRoc MP 358SC?

  • Penetrates cracks wider than 0.005 in. (0.14 mm)
  • Less sensitive to water than normal polyurethanes
  • Contact with water shows almost no increase in reaction temperature