Treatments (Levels of Substitution, %)

Average Flexural Strength (MPa)^** of Concrete Tiles

With Pulverized Aluminized Plastic Wrappers

With Pulverized Clear Plastic Wrappers

0 (LS1)

0.893^a

0.893^a

15 (LS2)

0.398^b

0.505^b

30 (LS3)

0.378^bc

0.414^bc

45 (LS4)

0.367^bc

0.243^c