Static electricity may seem harmless, but it can actually cause significant damage to delicate electronic components and products. Small static shocks can fry circuit boards, motherboards, graphics chips, and other sensitive parts. That’s why anti-static shielding bags are essential for safely storing, transporting, and shipping electronics.

What are Anti-Static Shielding Bags?

Anti-static shielding bags are specialized protective packaging designed to prevent electrostatic discharge (ESD) from damaging electronics during shipping and storage. They act as a Faraday cage, using multiple conductive layers to dissipate any built-up static charge and shield contents from external static fields.

A typical anti-static shielding bag has three layers:

1. • Inner layer: Made of static dissipative polyethylene to limit internal static buildup.

• • Middle layer: A conductive layer of carbon or aluminum to collect and ground charges before reaching contents.

• • Outer layer: Polyester coated with a static dissipative material to remove external charges.

This multilayer construction allows the bags to protect contents from both internal static generation and external ESD events. The bags also provide a moisture barrier to prevent oxidation.

How Do They Differ From Anti-Static Bags?

The main difference is that anti-static bags only prevent static buildup within the bag itself, while shielding bags block all electrostatic discharge from reaching the contents.

Anti-static bags are made of dissipative plastic blended with anti-stat additives. They stop static from accumulating on bagged items, but do not block external charges or ESD events. Anti-static bags are sufficient for non-electronic products in low-static environments.

Shielding bags, however, provide complete ESD protection, making them ideal for storing and shipping static-sensitive electronics like memory cards, semiconductors, computer components and more. Their advanced multilayer design safely contains electrostatic charges.

Applications for Anti-Static Shielding Bags

Anti-static shielding bags are essential for industries dealing with sensitive electronics, including:

• • Aerospace and military (MIL-PRF-81705 compliant)

• • Manufacturing (microchips, circuit boards, sensors)

• • Computing (memory, graphics cards, motherboards)

• • Telecommunications equipment

• • Scientific components and instrumentation

The bags protect against IC failure, equipment damage, degradation, and even potential fires or explosions in volatile materials due to static discharge.

Whether storing materials in-house or shipping products worldwide, anti-static shielding bags are a vital packaging solution for preventing costly ESD damage.

Get Superior ESD Protection with Polysmarts Factory

For over 20 years, Polysmarts Corporation has been a leading manufacturer of anti-static shielding bags and protective packaging. We offer standard and custom bag sizes to meet any need. Our shielding bags combine superior static protection with oxidation resistance in one reliable solution.

Protect your valuable electronics and prevent ESD damage – contact Polysmarts today for high-quality anti-static shielding bags and static-free packaging.