Comparison
ZERITHON vs everything else.
Tested side-by-side against common cement-based repair materials and expensive specialty patch products. Every figure is from independent, accredited laboratories.
Metric
ZERITHON
Cement-Based
Non-Cement
Cement / Non-Cement
Compressive Strength · 2 hours
3,481 psi (24.8 MPa)
Negligible (~1,500)
2,000 psi (13.8 MPa)
CEM Negligible (~1,500)
N-C 2,000 psi (13.8 MPa)
Compressive Strength · 7 days
5,815 psi (40.1 MPa)
3,200 psi
6,000 psi (41.4 MPa)
CEM 3,200 psi
N-C 6,000 psi (41.4 MPa)
Compressive Strength · 28 days
11,194 psi (77.2 MPa)
5,000–6,100 psi
8,500 psi (58.6 MPa)
CEM 5,000–6,100 psi
N-C 8,500 psi (58.6 MPa)
Flexural Strength
1,405 psi (9.7 MPa)
1,000–1,200 psi
550 psi (3.8 MPa)
CEM 1,000–1,200 psi
N-C 550 psi (3.8 MPa)
Shrinkage
Zero
0.044 – 0.093%
Zero
CEM 0.044 – 0.093%
N-C Zero
Return to Full Service
1–2 hours
Minimum 24 hours
Minimum 2 hours
CEM Minimum 24 hours
N-C Minimum 2 hours
Resistance to Water, Gas, Oil
Excellent
Poor to Moderate
Good
CEM Poor to Moderate
N-C Good
Minimum Application Temp
14 °F (−10 °C)
41–50 °F (5–10 °C)
19 °F (−7 °C)
CEM 41–50 °F (5–10 °C)
N-C 19 °F (−7 °C)
Bond Strength
Stronger than concrete
1,400–2,500 psi
N/A
CEM 1,400–2,500 psi
N-C N/A
Mix Ratio / Slump
Not critical
Critical ratio
Critical ratio
CEM Critical ratio
N-C Critical ratio
Feathering Ability
Yes
Limited
Limited
CEM Limited
N-C Limited
Deep Pour Ability
Yes
Some limitations
Multiple placements
CEM Some limitations
N-C Multiple placements
Surface Treatment
No bonding agent
Scrub coat / primer
No bonding agent
CEM Scrub coat / primer
N-C No bonding agent
Post Treatment Required
No
Yes
No
CEM Yes
N-C No
Labor Required
One application
Two or more
One application
CEM Two or more
N-C One application