Weld-On 12818 724 Orange CPVC Solvent Cement 1 qt is specially formulated for use on industrial piping systems requiring chemical resistance to caustics. This premium solvent cement is suitable for use with all rigid CPVC and PVC pipes and fittings with interference fits up to 12 inches in diameter. Ideal for use in wastewater plants, this solvent cement has been approved for Corzan CPVC piping systems and is resistant to hypochlorite solutions, mineral acids, aggressive water, and aqueous salt solutions. Thanks to its heavy-bodied viscosity and medium relative set time, this CPVC solvent cement fills gaps efficiently and excels in warm weather and other applications that may demand a longer working time.