Rectorseal 17432 RectorSeal No. 7, 1 pt.Rectorseal 17432 RectorSeal No. 7 is a slow drying, soft setting thread sealant specifically formulated for corrosive chemicals. It is impervious to freeze damage and will not harden with age. Features For use with corrosive chemicals and active solvents Soft setting Breaks out easily without damaging threads Lead free and contains no metals Resistant to alcohols, gasoline and hydraulic fluid Additional Information Case Weight (lbs) 6. 82 Case Height