E-Z Weld Heavy Duty Clear is a medium bodied medium set PVC Solvent Cement. This cement is part of our Industrial Grade line of products. It is slightly cloudy but dries clear. It is formulated to provide good gap filling properties. This product was formulated to provide cost effective cement for joining PVC pipes & fittings for up to 6” diameter, interference fit. When joining large diameter pipe & fittings the use of primers is highly recommended.