Shop for HDPE Sheet with SIMOGUARD™ Antimicrobial Additive. SIMOGUARD™ technology uses a proprietary EPA-registered antimicrobial ingredient that inhibits the growth of microorganisms that cause product degradation, staining, and odors. Compared to untreated HDPE sheet, material treated with SIMOGUARD™ technology maintains a clean, durable, and more hygienic surface over time. HDPE with SIMOGUARD™ antimicrobial additive can be used in a variety of applications including cutting boards, medical and shelving storage, retail displays, cabinetry and furniture, lockers and bathroom partitions, and playground equipment. Can’t find what you need? Get a quote.