Which characteristic is NOT associated with Antistatic ESD Protective Material?

The characteristic that is not associated with antistatic ESD (Electrostatic Discharge) protective material pertains to the protective capabilities of the material itself regarding enclosed ESD devices. Antistatic materials are specifically designed to prevent the generation of static electricity, but they do not inherently protect devices that are enclosed.

In contrast, they do serve functions such as minimizing the risk of generating static electricity through various means, such as not generating a charge, which helps in controlling the environment around sensitive electronic components. Combining with humidity is also a feature of some antistatic materials, as moisture can enhance their conductive properties. Similarly, being made from plastic-type materials is common since these types are often used for packaging and handling ESD-sensitive devices.

Thus, while antistatic materials can prevent charge buildup and may incorporate features that react with humidity or utilize specific plastic types, the action of protecting enclosed devices is not an inherent characteristic of the material itself; rather, it's contingent on the design and use of the full protective system.