The most used material for the automated conveyor systems in pharmaceutical and medical applications is austenic stainless steel 304L or 316L for its availability, relative low cost, cleanliness, and high corrosion resistance, they are also similar to the belts used in the food processing industry. Studies have shown that bacteria do not attach to the surface of stainless steel and this attribute is particularly valuable in clean room environments.
Other beneficial properties of stainless steel for the pharmaceutical and medical industries include: