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Ever wondered what antistatic bags are, how it's made, what it is used used for and where to buy antistatic bags at cheap low prices. Find answers to all your question on antistatic bags or static sheilding bags here.
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What are Antistatic bags?
Transparent pink bag that protects sensitive electronics from damage caused by the harmful effects of static electricity. Static travels around the bag and dissipates before it has a chance to damage contents when shipping or storing. These bags are usually plastic and have a distinctive color (silvery for metalized Mylar and other similar plastics, pink or black for polyethylene). The polyethylene variant may also take the form of foam or bubble wrap, either as sheets or bags.
How to measure Flat, Side Gussetted, Bottom Gusetted & Reclosable/Zipper Anti-Static Bags?
Types of Antistatic bags
Anti-Static Poly Tubing
Make your own anti-static poly bags. Excellent resistance to static discharge. Static dissipative, non-corrosive pink polyethylene is heat sealable. Seal with Poly Tubing Sealers.
Flat Anti-Static Poly Bags
Protect electronic components from static build-up. Constructed from pink anti-static polyethylene film. Keeps products clean and moisture free.
Gripseal/Zipper Antistatic bags
The same properties as the Open Top(Flat) Pink Poly Bag plus the security and convenience of a zipper top. The zipper top closes securely to protect against damage from dust and moisture.
Anti-Static Bubble Bags or Bubble pouchesProvides maximum protection against static discharge for circuit boards, relays, switches, resistors, controls and other static sensitive electronic components - Apply your own labels. 3/16" Industrial bubble coated with a nylon barrier provides outstanding cushioning. 1" pressure sensitive lip covered with release paper allows for easy closing.
History of ESD-Control Bags
The evolution of the ESD-control bag and packaging-material design has been a compromise between various features. Ideally, you look for ESD bag materials that combine low cost with properties such as high ESD shielding effectiveness, permanent antistatic properties, humidity-independent performance, elimination of contamination and corrosion, MVB properties, heat-sealability, and transparency.
Traditionally, static-shielding bags are manufactured by depositing a thin metal coating such as aluminum over an antistatic polyester film substrate. The metallized layer protects the devices in the bag from electrostatic fields; the insulative layers prevent direct contact with potential ESD hazards. At the low end are amine-free, polyethylene film bags that are transparent or pink in color, referred to as antistatic or pink poly.
Manufacturers also are developing more environmentally friendly materials than they had in the past. Historically, ESD protective packaging has environmental problems similar to any plastic material: disposal and material decomposition can present an environmental hazard. Recently, manufacturers have conquered some of the disposal problems, and we now see more recyclable ESD bags on the market, such as those made from polypropylene.
Types of ESD Bags
There are essentially three types or categories: antistatic bags, dissipative bags and metallized bags. The latter two categories are typically the high-end of ESD bag product offerings and tend to have three combined properties of protection, (1) shielding, (2) antistatic and (3) dissipative .
- Metallized Shielding Bags
Metallized shielding bags have either a metal film embedded into the bag film construction or coated onto an existing layer. This metal film acts as an electrical shield against electrical discharges from the outside of the bag. Depending on the energy and duration of the discharge and the thickness of the metal film, an ESD event is typically spread out over the outer surface of the metal film and if fully enclosed then the charges current from the ESD event is contained to the outer surface of the metal film thereby protecting the contents inside. This effect is known as the Faraday Cage Effect and is commonly used in controlling ESD via metallized shielding bags, conductive bags and the conductive tote box with a cover.
- Antistatic Bags
Antistatic bags are typically coated with a topical antistat agent that helps minimize the generation of a static imbalance from triboelectric generation or contact and separation. A good bag has antistatic properties on both the inside and outside of the bag�s film construction.
- Dissipative Bags
Bags with the films surface resistance in the dissipative range are preferred because charge dissipates across the surface at a controlled rate. Most dissipative bags also have the property of being antistatic. These are good general bags to be used in non-critical environments.
Because we mentioned antistatic grip seal bags and antistatic bubble bags we thought these websites to be useful for more information about each of the bags.
Please visit www.discountselfsealbags.co.uk for grip seal bags.
Please visit www.bargainbubblebags.co.uk for bubble bags.