Weld-On® 727™ Hot 'R Cold™ is a clear, low VOC emission, medium bodied, very fast setting, high strength PVC solvent cement for all classes and schedules of pipe and fittings with interference fit through 6 in (160 mm) diameter, Schedule 80 through 4 in (110 mm) diameter. Can be used without primer on non-pressure systems if local codes permit.