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Moisture Barrier ESD Bags

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ESD Moisture Barrier Bags

Moisture barrier bags, also known as foil bags, metallized bags and sometimes Mylar bags (from Dupont), provide moisture, corrosion and shielding protection for sensitive components. They are an effective packaging solutions to protect against corrosive damage caused by humidity, moisture, oxygen, salt spray, aromas, grease and other airborne contaminants. These bags are heat sealable and suitable for vacuum packaging. Most contain Polyester (PET) for puncture resistance. The metallic layers provide shielding from Electrostatic Discharge (ESD).

Types of Moisture Barrier Bags

How are moisture barrier ESD bags different from anti-static bags?

Moisture Barrier ESD bags are a type of protective packaging designed to protect electronic components and devices from moisture, electrostatic discharge (ESD), and other environmental contaminants. These bags are made from a specialized plastic material that provides a barrier to moisture, preventing moisture from penetrating the bag and reaching the contents inside.


Moisture Barrier ESD bags are typically made from a multi-layered plastic film that includes a layer of moisture-resistant material, such as aluminum or nylon, sandwiched between layers of antistatic or conductive material. This multi-layered design provides a high level of protection against moisture and ESD, making them ideal for use in high-humidity environments or during transportation or storage in areas where there is a risk of moisture damage.


These bags are available in various sizes and shapes, from small, single-use bags to larger, reusable bags that can be used for transporting and storing larger electronic devices. They may also come with different closure options, such as zip-lock closures or heat-sealed closures, to provide a secure seal and protect the contents from moisture and other contaminants.


Moisture Barrier ESD bags are an essential tool for protecting electronic components and devices from damage during transport and storage. They are particularly useful for components that are sensitive to moisture, such as printed circuit boards, microchips, and other delicate electronic devices. By providing a barrier to moisture and ESD, these bags help ensure that the components arrive at their destination in good condition, free from damage or degradation.

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