The term material refers in the broadest sense to a substance or a combination of substances out of which a material results. The term material is a synonym of substance. Depending on the product group, a wide range of materials are used at STRIKO. Those worth mentioning here include standard steel, high-grade steel, aluminium, also graphite and special materials such as Monel®, Hastelloy® and plastics such as PP, PE, PTFE and PVDF for STRIKO bursting discs.