ChemCor® thermoplastic coating on all interior surfaces provides superior protection against corrosion from drips and off-gassing from harsh chemicals. Seam-free surface eliminates the need for rivets or fasteners which risk corrosion from seep-through chemicals. Non-porous surface resists staining and cleans up easily.ChemCor® Lined Slimline Hazardous Material Safety Cabinets have the same quality features found in Justrite's flammable cabinets — including double-wall, 18-gauge (1mm) welded ste