Manufactured from tough propylene and impervious to most chemicals and conditions in manufacturing environments. Each rack holds up to 25 printed circuit boards, and the design allows boards up to 25% longer than the rack width to be safely stored. Available in two sizes. Standard racks permit operating temperatures up to 120°C and are manufactured from white polypropylene. High temperature rack is manufactured from grey high-temp nylon permitting temperatures up to 180°C. Conductive racks manufactured from carbon loaded black polypropylene with operating temperature up to 120°C.