No.

Permeability k₁₅

① Bentonite Only

7.4 × 10⁻⁸

② Bentonite: Fly Ash (Raw) = 1: 1

2.0 × 10⁻⁶

③ Bentonite: Fly Ash (Crushing) = 1: 1

1.0 × 10⁻⁶