Weld-On® 711ECO™ is a code compliant, THF-free cement with 30% lower solvent emission rate and significantly reduced odorous fumes than the current solvent cements in the market. This results in an improved workplace environment for pipe installers. The 711ECO is a gray, ultra low VOC, heavy bodied, medium setting, maximum strength PVC solvent cement, with great gap filling properties, for all classes and schedules of PVC pipe and fittings, including Schedule 80, with interference fit through 12 inch (315 mm) diameter.