Table 7. Results of Tukey-Kramer Honest Significant Difference test of all Smooth Substrate Joint results from Phases 1 and 2
.
| Overlap Joint Class by AdhesiveLoading Agent | Group A | Group B | Group C | Mean AdhesiveFracture Energy(Joules/Meter2) | # Overlap Joints (n) |
| Gum Arabic Only Control | A | 15.55 | 20 | ||
| PT Primer Natural Red | A | 15.39 | 15 | ||
| Coarse Specularite | A | 15.03 | 14 | ||
| GRD-548OCH | A | 14.09 | 14 | ||
| #4, Silt and clay-sized withvery fine sand | B | 8.93 | 14 | ||
| GRD-Natural Yellow | B | C | 8.30 | 13 | |
| #1, Silt and clay-sized withcolloidal particles | B | C | 7.79 | 16 | |
| #3, Fine sand mixture | B | C | 6.82 | 15 | |
| P3 Natural Red | B | C | 6.54 | 15 | |
| #7, Coarse sand only | B | C | 6.38 | 20 | |
| #5, Medium sand only | B | C | 6.19 | 20 | |
| #6, Fine sand only | B | C | 6.06 | 19 | |
| #2, Medium sand mixture | C | 4.33 | 15 |
Classes not connected by the same letter are significantly different. q* = 3.35400, α = 0.05, N = 210.