- CANTEX® Conduit Cement, #99 Low VOC, Can Container, 1 qt Container, Tetrahydrofuran Base, Composition: Acetone, Cyclohexanone, Methyl Ethyl Ketone (MEK), Tetrahydrofuran (THF), Syrupy Liquid Form, Clear, Ketone Odor/Scent, 40 deg F, 0.924 Specific Gravity, -4 deg F Flash Point, =510 g/L VOC, Flammability: Cat 2