SAI Systems & Services Inc., is now added Polypropylene Casework to our line up. Polypropylene lab equipment will not rust or corrode; constructed of ½” white stress-relieved polypropylene, a highly corrosive resistant and extremely durable thermoplastic. Polypropylene is resistant to most acids, solvents & other liquids. All polypropylene equipment include stiffeners / support for added strength, allowing our base cabinets to comply with the stringent requirements of SEFA 8P. Polypropylene has high temperature and tensile strength, is stain resistant, with low moisture absorption properties; the ONLY choice for long-lasting, corrosive resistant / metal free applications - constructed to last.