There are a number of Quality Control measures for testing post-tension grouts.  These pictures show three important tests that ensure our post-tension grouts meet the standards set forth by PTI M55.1-12.  The tests are ASTM C953 Rate of Set using the Vicat Machine, PTI M55 Wet Density using the API Mud Balance, and PTI M55 Schupack Pressure Bleed test.

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