In General: Our Trays, Totes, and Bins are manufactured using a proprietary process and reinforced fiberglass thermoset composite materials. The products are dimensionally stable. They will withstand static loads up to 200 lbs., and temperature ranges of -40 F to 250 F. NSF and U.L. ratings available. If you don�t see the size you are looking for please call us. Industrial Uses: - Electronics Assembly - Automotive - Food processing - Pharmaceutical - Biotechnology - Confectionery - School cafeteria - Corporate lunch room (logo colors matched) Materials: Our standard formulations are unaffected by detergents, mild acids and alkaline solutions in the pH range of 3.0 to 10.0. Formulations are also available to perform in the pH range of 3.0 to 12.0 in addition to chemical resistant, degreaser resistant, autoclave resistant and flame retardant. ESD: We offer ESD safe materials for electronic assembly that meet the requirement of ANSI/ESD S20.20. These products offer permanent ESD protection without requiring surface treatment. For specific questions regarding ESD ratings and properties please give us a call. Custom Colors: We offer the rainbow in colors. We can match your color chip fairly closely, just send us a chip. There is a minimum lot charge for custom colors, give us a call for details. ESD safe is not available in colors.