E-Z Weld Heavy Body Gray is a heavy bodied, slow set CPVC Solvent Cement. This cement is part of our Industrial Grade line of products. This cement is formulated for use on CPVC pipes and fittings. It is viscous (thick) and, carries very good gap filling properties. This cement is ideal for joining large diameter CPVC pipes & fittings where the gap between pipes and fittings is large. It may also be used on small diameter pipes and fittings. This cement requires a longer cure time. When joining large diameter pipe & fittings the use of primers is highly recommended.