Acraglas Gel was designed to take advantage of the latest technological advancements in epoxy research. It has the best possible advantages built into it for those that want a butter-smooth type of Acraglas. Nylon derivatives are formulated into Acraglas Gel and provide greater "thin strength", shock resistance and stability over normal temperature extremes. Slightly less shrinkage than that of Acraglas, which has an amazing 1/10th of 1%. 1-to-1 mixing ratio gives a stable, molecular lattice structure to Acraglas Gel that will not crack, craze or sugar-out as will other 1-to-1 epoxies. Sell Unit Each.