In environments where static electricity can damage sensitive electronics or disrupt cleanroom settings, anti-static poly bags are essential. These bags are specially formulated to safely dissipate static charges and protect the items they carry.
What Are Anti-Static Bags?
Anti-static bags are polyethylene bags blended with an additive that reduces surface resistivity and helps prevent static discharge. Standard LDPE can build and hold a static charge; anti-static film gives that charge a controlled path to dissipate.
These bags are typically pink-tinted to signal their static protection. They’re meant for dry, static-sensitive environments — they do not shield against electromagnetic interference.
How They’re Made
At M Plastics, anti-static bags are produced during the blown film process using a resin blend that includes anti-static agents, dispersed throughout the melt for consistent performance. We then convert the film into bags using:
- Layflat formats for small or medium items
- Wicketing when high-speed automation is needed
- Optional printing for warnings, instructions, or branding
Common Uses for Anti-Static Bags
- Circuit boards and electronic components
- Electronics assembly lines
- Computer hardware and cables
- Static-sensitive plastic parts
Even small static charges — as low as 100 volts — can damage microchips or sensors, so prevention is critical.
What They’re Not
Anti-static bags are not the same as static shielding bags. Anti-static film dissipates charges but does not block static from external sources. For high-sensitivity components like CPUs or memory chips, metal-in or metal-out shielding bags are the appropriate product — a different product class from what we extrude.
Final Thoughts
If you’re shipping or storing components where static charge is a concern, anti-static poly bags offer an affordable and reliable layer of protection. As a blown film manufacturer, M Plastics provides consistent film and converting options to match your setup — manual or automated.
Request a quote to talk through styles, mil thickness options, and minimum runs for your parts.
Have a Packaging Question?
M Plastics manufactures LDPE bags and film in Los Angeles with in-house extrusion and printing. Tell us what you're packaging and we'll help you spec the right bag.
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