This Heavy-Duty Epoxy Sets in Approximately 30 Minutes, Allowing You Time to Position and Clamp. It"s Very Useful in Places Where Strength Really Counts, FEATURES: Results in a clear finish, resistant to most chemicals, and able to withstand up to 2500lbs. per sq.inch of pressure. INCLUDES: One 4.5oz bottle of epoxy One 4.5oz bottle of hardener (9oz combined) MAF10/13/98 ir/jl