Reclosable Static Shielding Bags

From: $6.54

 
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• Sold per Carton of 100 Bags

• Reclosable Zipper Top

Prices

SizesQty 1-99Qty 100+
3″ x 5″$7.05$6.51
4″ x 6″$6.54$6.04
6″ x 8″$11.53$10.65
8″ x 12″$20.57$18.99
10″ x 12″$25.27$23.33
11″ x 15″$34.53$31.87

Static Shielding Specs

• Metal-In
• ASTM D 1003 Compliant: Transparent enough for barcodes to be scanned through the bag
• IEC 60417 6202 / ESD Rating of “S”: electrostatic discharge shielding
• ANSI / ESD S8.1 Compliant: ESD Protective Symbol and lot codes printed on bags
• Sizes reflect inner dimensions
• Amine and Amide Free
• RoHS and REACH Compliant

Static Shielding Bags are constructed of plastic and aluminum in a pattern known as “metal-in”.

The “metal-in” layer is composed of ESD shielding aluminum laminate that provides a conductive Faraday Cage around electronics inside the bag. This is what stops electrostatic discharges (ESD) from entering it.

The anti static outer layers are made of static free polyethylene (PE) and polyester (PET). These prevent the bag from charging when it rubs against other surfaces.

All static shielding bags sold on Elimstat.com are lead-free, contain no amines, N-Octanoic acid, or heavy metals. This keeps them in compliance with RoHS and REACH.

They have no effect on aluminum, copper, silver, SN-Pb coated foil, stainless steel or low-carbon steel.

Electrical PropertiesTypical ValuesTest Method
Surface Resistivity< 1012 Ohms / SquareASTM D-257 @ 15% RH
ESD Resistance< 1011 Ohms / SquareANSI/ ESD STM 11.11
Static Shielding< 10 nJEOS / ESD S11.31
Electrostatic Decay.01 SecondsFTMS 101 Method 4046
Capacitance Probe< 10 volts DifferenceMIL-PRF-81705D, EIA 541
Transparency 40% (Bar Code scans through bag)ASTM D 1003
Corrosion | OutgassingNon-Corrosive | PassMIL-STD-3010, M3005 | ASTM E595
Amines, N-Octanoic Acid, Heavy MetalsNot Present / RecyclableRoHS, REACH

• Metal-In
• ASTM D 1003 Compliant: Transparent enough for barcodes to be scanned through the bag
• IEC 60417 6202 / ESD Rating of “S”: electrostatic discharge shielding
• ANSI / ESD S8.1 Compliant: ESD Protective Symbol and lot codes printed on bags
• Sizes reflect inner dimensions
• Amine and Amide Free
• RoHS and REACH Compliant

Static Shielding Bags are constructed of plastic and aluminum in a pattern known as “metal-in”.

The “metal-in” layer is composed of ESD shielding aluminum laminate that provides a conductive Faraday Cage around electronics inside the bag. This is what stops electrostatic discharges (ESD) from entering it.

The anti static outer layers are made of static free polyethylene (PE) and polyester (PET). These prevent the bag from charging when it rubs against other surfaces.

All static shielding bags sold on Elimstat.com are lead-free, contain no amines, N-Octanoic acid, or heavy metals. This keeps them in compliance with RoHS and REACH.

They have no effect on aluminum, copper, silver, SN-Pb coated foil, stainless steel or low-carbon steel.

Electrical PropertiesTypical ValuesTest Method
Surface Resistivity< 1012 Ohms / SquareASTM D-257 @ 15% RH
ESD Resistance< 1011 Ohms / SquareANSI/ ESD STM 11.11
Static Shielding< 10 nJEOS / ESD S11.31
Electrostatic Decay.01 SecondsFTMS 101 Method 4046
Capacitance Probe< 10 volts DifferenceMIL-PRF-81705D, EIA 541
Transparency 40% (Bar Code scans through bag)ASTM D 1003
Corrosion | OutgassingNon-Corrosive | PassMIL-STD-3010, M3005 | ASTM E595
Amines, N-Octanoic Acid, Heavy MetalsNot Present / RecyclableRoHS, REACH






Understanding ESD

An “anti static” bag is a term used to refer to any bag made with anti static polymers so that when it rubs or touches other materials it does not create static.[1]

The term “anti static” refers to the upper static dissipative range- usually defined as between 1 x 1010 and less than 1 x 1012 ohms / square. Polyethylene and polyesters used in bags for static control are always in this “anti static” range.

Anti Static vs Static Shielding Bags

A static shielding bag, unlike a pink anti static bag, contains aluminum (which is “conductive”) to shield the contents of the bag from electrostatic discharges (ESD). Static shielding bags are therefore “anti static” and “conductive”.

What is ESD? Fundamentally, zaps or sparks caused by static are ESD. It is a discharge of static energy that emits heat, light, and sound.

ESD occurs naturally- lightning and thunder are instances of it.

Lightning hitting the Chrysler Building in New York City

However, in electronics manufacturing, ESD mostly occurs at micro scales invisible to our senses of sight and sound.

This is problematic because we cannot detect it easily. In fact, most ESD damage can only be seen with the aid of a microscope.


Click to enlarge

How significant of a problem is ESD? We know from controlled testing[2] that simply not using static shielding materials increases device failures. For example, in 1983 Western Electric found that at one of their plants up to 75% of the unknown device failures were traceable to ESD. Since electronics become more sensitive to ESD the smaller that they are, most electronics made today are extremely sensitive to ESD.

Notes

1. Contrary to common assumptions, you do not have to use amines or amides (which can be harmful to humans) to make bags static dissipative.

2. Western Electric North Andover Works (1983). “ESD – How Often Does It happen?” G.T. Dangelmayer, EOS-5, pp.1-5, 1983.

Compliance with ANSI / ESD Standards

Per ANSI/ESD S8.1 the ESD Protective Symbol is printed on static shielding bags.

ESD Protective Symbol

S8.1 states that this symbol is to be used to clearly mark any packaging whose function is to protect electronics from ESD. In particular, it should be used to mark any product that serves a “static shielding” function.

All static shielding bags sold on Elimstat.com are lead-free, contain no amines, N-Octanoic acid, or heavy metals making them recyclable, and therefore in compliance with RoHS and REACH.

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