Manhole Technical Data

Strong-Seal® Technical Data

Products Design for Specific Conditions
Within the Collection System



The Strong-Seal® System offers affordable and proven
solutions from the laterals to the treatment plant.

Strong-Seal® Materials Physical Properties
ASTM PROCEDURE CRITERIA FOR MS-2A 28 Day MS-2C 28 Day HIGH PERFORMANCE MIX 28 Day
C-109 Compressive Strength >9000 PSI >9000 PSI >9000 PSI
C-496 Tensile Strength >800 PSI >800 PSI >800 PSI
C-293 Flexural Strength >1200 PSI >1500 PSI >1500 PSI
C-882 Bond  >2000 PSI  >2000 PSI >2000 PSI
C-596 Shrinkage @90% R.H. 0% 0% 0%
C-666 Freeze/Thaw after 300 cycles No visual damage No visual damage No visual damage
  Biogenic Corrosion Resistance For use in environments with pH of 3.0 or higher For use in environments with pH of 2.0 or higher.