• Desco
  • EMIT
  • ESD Systems.com
  • Menda Pump
  • Menda-ID
  • Protektive Pak
  • SCS
  • Smart Clock
  • Special Team
  • Statguard Flooring

ESD Superstore – Online Leader for ESD Solutions
000 Checkout

Added to your cart

You do not have any items in your shopping cart at this time.
View All cart items

  Shop from our other Desco
  Industries websites:

Desco Europe


Questions And Answers

# List All Questions Search List by Category
Question Hi,
We have several multi-drawer cabinets in which we store sensitive components in their ESD bags. The cabinets are ungrounded and on a non-conductive floor. We also have some metal free standing shelving with particle board surfaces which are also not grounded. I feel that these storage systems must be grounded in order for the ESD and antistatic packaging to function properly. Am I correct?

Yes, but you have two alternatives:

1) Store ESD sensitive items on grounded ESD surfaces

2) Store ESD sensitive items in enclosed ESD packaging that has ESD shielding property.

Per ESD-ADV53.1 ESD Protective Workstations Electrical Requirements “Workstation elements shall be connected to, and maintain electrical continuity to, the common point ground as follows:

Worksurfaces - Resistance: Between 1 x 10^6 ohms and 1 x 10^9 ohms

Surfaces of shelves and drawers intended to be used for unprotected ESD sensitive devices - Resistance: Between 1 x 10^6 ohms and 1 x 10^9 ohms”.

So if the ESD sensitive items are not in closed shielding bags, etc., the drawer or particle board surfaces should have 10^6 - 10^8 ohm grounded matting.

If surfaces are not conductive/dissipative and grounded, it would be considered outside the ESD protected area. And per ANSI/ESD S541 section 6.2 Outside an EPA “Transportation of sensitive products outside of an EPA shall require packaging that provides:

1. Low charge generation.

2. Dissipative or conductive materials for intimate contact.

3. A structure that provides electrostatic discharge shielding."

See Statshield ESD Shielding Bags and In Plan Handlers.

Per ANSI/ESD S541 section 7.2.2 Resistance of Dissipative Materials “A static dissipative material shall have a surface resistance of greater than or equal to 1.0 x 10^4 Ohms but less than 1.0 x 10^11 Ohms. Packaging materials that are in intimate contact with devices should be dissipative.”

If you have found this Q/A useful, please rate it based on its helpfulness.
Rating Rating Rating Rating Rating
This question has been rated: 0%0%
(0% at 0 Ratings)